Câu hỏi: Many Vietnamese people ______ their lives for the revolutionary cause of the nation.

A. sacrifice

B. sacrificed

C. sacrificial

D. sacrificially

Câu 1: The interviews with parents showed that the vast majority were _______ of teachers.

A. support

B. supportive

C. supporter

D. supporting

Câu 2: Alex is busy _______ for his exams.

A. to study

B. studied

C. studying

D. studies

Câu 3: John: What an attractive hair style you have got, Mary!

A. Thank you very much. I am afraid.

B. You are telling a lie.

C. Thank you for your compliment.

D. I don't like your sayings.

Câu 4: He was looking at his parents _______, waiting for recommendations.

A. obey

B. obedience

C. obedient

D. obediently

Câu 5: John cannot make a _______ to get married to Mary or stay single until he can afford a house and a car.

A. decide

B. decision

C. decisive

D. decisively

Câu 6: As he grows older, he becomes increasingly intelligent.

A. The older he grows, the more intelligent he becomes.

B. The older he grew, the more intelligent he becomes.

C. The oldest he grows, the more intelligent he becomes.

D. The older he grows, more intelligent he becomes.