Looking Back

We went _________ a 10-day tour of central Africa.

1. on
2. for
3. in
4. ∅

Scientists believe that Mars also __________ seasons just as the Earth does.

1. spends 
2. experiences  
3. experiments 
4. takes

Complete the sentence by using the suffix -ful or -less with the word given in bracket.

That old man has a bad memory. He is _________. (forget) 

Rearrange these words to complete the reported speech.

“Does Mars have ice under its surface?” Mi asked the teacher.

• Mi
• asked
• the
• teacher
• whether
• Mars
• had
• ice
• under
• its surface.  

In the mid-19th century, scientists discovered that Mars had some similarities __________ Earth.

1. to 
2. with 
3. of
4. from

Find the word which does not belong to the group.

1. Saturn
2. Mars
3. Neptune
4. Solar

"I stayed up late to study last night", Mary said.

Mary said that she _________ up late to study the previous night.

1. had stayed
2. stayed
3. has stayed
4. was staying

Choose the word which has a different stress pattern from the others.

1. powerful
2. skillful
3. dangerous
4. explore

I would love __________ them again.

1. see                      
2. to see              
3. seeing         
4. to seeing

Choose the correct word to complete the sentence. 

In recent years, scientists have wondered about the possibility of intelligent; intelligence; intelligences life forms on the other planets.

Change the sentence in reported speech.

Mi: What do scientists discover from the photos of Saturn's moon - Enceladus?

Mi asked ___________.

1. what scientists discovered from the photos of Saturn’s moon – Enceladus
2. what scientists discover from the photos of Saturn’s moon – Enceladus.  
3. what do scientists discover from the photos of Saturn’s moon – Enceladus.  
4. what did scientists discover from the photos of Saturn’s moon – Enceladus.  

Choose the correct word to complete the sentence.

Astronauts usually have to work in (weightless/ weight/ weightful/ weigh) conditions.

Choose the word which has a different stress pattern from the others.

1. sighting 
2. climate 
3. attempt 
4. system 

An astronaut has to wear a spacesuit ___________ it may be very cold in space.

1. so 
2. but 
3. because 
4. because of

Choose the word that has the underlined part pronounced differently from the others.

1. included           
2. called             
3. moved           
4. arrived

Mars is called the Red Planet due to its ________ surface.

1. red 
2. redder 
3. reddest 
4. reddish

Complete the sentence by using the suffix -ful or -less with the word given in bracket.

We enjoyed the party. It was very __________. (joy)

Neptune is bright blue __________ it is named after the Roman God of the sea.

1. because 
2. but 
3. so 
4. or

Choose the word that has the underlined part pronounced differently from the others.

1. what                
2. place                 
3. volcano             
4. plane

When I was a child, I _________ my ball through the window.

1. was always kicking                        
2. always was kicking
3. was kicking always                        
4. kicked always

Complete the sentence by using the suffix -ful or -less with the word given in bracket.

 Now she is very tired because she spent a _________ night. (rest)

Rearrange these words to make a meaningful sentence.

• Aliens'
• hand
• might
• have
• only
• three
• or
• four
• fingers. 

Choose the word which has a different stress pattern from the others.

1. alien
2. because
3. around 
4. unlikely

They wanted to know _________ to the new Japanese restaurant. 

1. how often do we go
2. how much we went
3. how often we went
4. how far did we go

Change the sentence in reported speech.

"How do you go to the airport?" his friend asked him.

1. His friend asked him how he went to the airport.
2. His friend asked him how did he go to the airport.
3. His friend asked him how he goes to the airport.
4. His friend asked him how you went to the airport.

Choose the word that has the underlined part pronounced differently from the others.

1. arrive
2. sight
3. island
4. involve

Choose the word that has the underlined part pronounced differently from the others.

1. planet
2. Neptune
3. messenger
4. trek

Choose the word which has a different stress pattern from the others.

1. astronaut
2. Mercury  
3. Jupiter 
4. computer

 Change the sentence in reported speech.

Duong: Space travel is risky and expensive.

Duong thought that space travel was; is; be risky and expensive.

In the meantime, NASA is working hard now to _________ whether there is life on Mars.

1. discover 
2. involve
3. experience
4. create