Câu hỏi: Alex is busy _______ for his exams.

A. to study

B. studied

C. studying

D. studies

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

A. support

B. supportive

C. supporter

D. supporting

Câu 2: 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.

Câu 3: He was looking at his parents _______, waiting for recommendations.

A. obey

B. obedience

C. obedient

D. obediently

Câu 4: The worker was _______ his boss expected, so he was offered a raise.

A. more hard-working

B. as hard-working than

C. more hard-working than

D. more hard-working as

Câu 5: Many Vietnamese people ______ their lives for the revolutionary cause of the nation.

A. sacrifice

B. sacrificed

C. sacrificial

D. sacrificially

Câu 6: I fell in ______ love with him because of his kind nature.

A. a

B. an

C. the

D. Ø