Câu hỏi: Alex is busy _______ for his exams.

A. to study

B. studied

C. studying

D. studies

Câu 1: He was looking at his parents _______, waiting for recommendations.

A. obey

B. obedience

C. obedient

D. obediently

Câu 2: My mother used to be a woman of great _______, but now she gets old and looks pale.

A. beauty

B. beautiful

C. beautifully

D. beautify

Câu 3: I like my work because I have the ______ to make my own decisions.

A. freed

B. freely

C. freedom

D. free

Câu 4: The interviews with parents showed that the vast majority were _______ of teachers.

A. support

B. supportive

C. supporter

D. supporting

Câu 5: The doctor spent 10 minutes examining the patient.

A. It took the doctor 10 minutes examining the patient.

B. It took the doctor 10 minutes to examine the patient.

C. It took the doctor 10 minutes examine the patient.

D. It took the doctor 10 minutes to examining the patient.

Câu 6: 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