7. Tim: Can I take another biscuit?
Mother : Help_________
A. himself     B. yourself     C. itself     D. ourselves

1. Please turn off _________ lights when you leave the room.
A. the     B. a     C. an     D. Ø
2. She is _________ student in my class.
A. most tall     B. more tall     C. the tallest     D. taller
3. _________ does Hoa Ban Festival take place? - In Lai Chau.
A.What     B.Where     C.When     D. How
4. My parents usually _________ work very early.
A. go to     B. going to     C. went     D. to go
5. There is a computer _________ the middle _______ __the room.
A. in / of     B. in /in     C. on / of     D. on / in
6. A tradition is something special that is _________ through the generations.
A. passed     B. passed to     C. passed down     D. passes down
7.  “Would you mind showing me how to make this magic box ?” – “_________ . ”
A. Yes, I would     B. No, I wouldn't     C. No, thanks      D. Not at all
8.   You must not let children play in the street because it is ___________.
A. suitable     B. dangerous     C. safe     D. careful

2^225 và 3^150.
Ta có:
2^225= 2^(3.75)= 8^75.
3^150= 3^(2.75)= 9^75.
Mà 8^75<9^75.
=> 2^225 < 3^150.

Giúp mk với!!
Làm lẹ và đúng cho 1 👍
3. “Will you be quiet!”, she said to the children. 
She told ______________.

Giúp, mk cần gấp!!!😢😢
4. There are too many people for so few resources. 
→There are ____________________.

1. I haven’t heard from him for ages.
--> It’s been a 

2. I think you look better in blue than in red.
-->I like

While working as a clerk in Switzerland, Einstein produced the Special Theory of Relativity. This theory states that mass, length and time change depending on _______ (4) a person looks at them. In 1915 he published his General Theory of Relativity. Many scientists did not agree with him. In the end, simple ______(5) proved Einstein to be correct. He was _______ (6) the Nobel Prize for his work in physics.
4. A. what                   B.  how                  C. where                D. when 
5. A. methods            B. experiences        C. inventions         D. experiments
6. A. introduced         B.  received            C. awarded                        D. given 

Giúp với!!!
_______ (2) in Germany in 1879, Einstein did _______ (3) in all his school subjects, with the exception of mathematics, which was his favorite subject.
2. A. Bearing        B. Born             C. Birth                 D. Bore

3. A. well                 B.  bad            C. poor              D. poorly