Câu hỏi: The articles that John has written .................. difficult to understand.

A. has been

B. was

C. are

D. is

Câu 1: The water in this swimming pool ...................... too cold.

A. are feeling

B. feel

C. feels

D. was feeling

Câu 2: Learning foreign languages .................. important.

A. is

B. are

C. have

D. are having

Câu 3: Going to the movies last night .......................... a lot of fun.

A. were

B. was

C. are

D. being

Câu 4: .................... us with the vocabulary exercises.

A. Our teacher helps

B. Always helps

C. Our teacher

D. Helps to

Câu 5: After a short time in England, I began to understand ............... the English see Americans asloud and ill-mannered.

A. whether

B. what

C. how

D. why

Câu 6: The clothes in those boxes ............. to my sister.

A. belong

B. was belonging

C. is belonging

D. belongs