Câu hỏi: You look so tired! You _______out too late last night.

A. must have been

B. had been

C. had to be

D. should have been

Câu 1: In my free-time, I often help mom with ___________ the house.

A. clean

B. to clean

C. cleans

D. cleaning

Câu 2: Difficult though the exam was, he still passed it with flying colours.

A. Because the exam was difficult, he passed it with flying colours.

B. Although the exam was difficult, but he still passed it with flying colours.

C. No matter how difficult the exam was, he still passed it with flying colours.

D. The exam was not too difficult, so he could pass it with flying colours.

Câu 3: The proposal seemed like a good idea. The manager refused it.

A. The manager didn't like to proposal because it didn't seem a good idea.

B. Since the proposal seemed like a good idea, the manager refused it.

C. The manager refused the proposal although it seemed like a good idea.

D. The proposal didn't seem like a good idea, so the manager didn't accept it.

Câu 4: E-mail allows people _______ in touch, regardless of distance.

A. staying

B. to stay

C. stay

D. to staying

Câu 5: Finding a job in this time of economic crisis is becoming ________.

A. more than difficult

B. most and most difficult

C. more and more difficult

D. more difficult than

Câu 6: Your coffee is not as good as mine.

A. Mine is better than yours.

B. My coffee is more good than yours.

C. My coffee is better than your.

D. My coffee is better than yours.