Mark the letter A, B, C or D to indicate the word that differs from the other three in the position of the primary stress in each of the following questions

A. actor

B. adult

C. effort 

D. area 

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

Their big day requires a lot of preparation, such as designing costumes, choose guests and reinforcing security.

A.requires

B.preparation

C.costumes

D.choose

Choose the best answer to complete the sentence.

You ______ take photos in this museum. It's against the rule.

A. must 

B. can 

C. mustn't 

D. don't have to

Choose the letter A, B, C or D the word that has different stress pattern from others.

A. contest

B. debut

C. idol

D. release

Góc lượng giác có số đo  a o thì có số đo theo rađian là

A.  180 πa

B.  180 π a

C.  a π 180

D.  π 180 a