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

A. clean

B. to clean

C. cleans

D. cleaning

Câu 1: No one but the experts was able to realize that the painting was an imitation. It greatly resembled the original.

A. It was obvious that only a person with great talent could fake a painting so successfully.

B. It was almost impossible for amateurs to realize that the painting was not authentic, though the experts could judge it quite easily.

C. The painting looked so much like the authentic one that only the experts could tell it wasn’t genuine.

D. It was hard for ordinary people to judge between the fake painting and the real one, but not for the experts.

Câu 2: I asked him ___________, but he said nothing.

A. what’s the matter was

B. what was the matter

C. what the matter was

D. the matter was what

Câu 3: I have lived here ___________ 5 years.

A. on

B. for

C. since

D. from

Câu 4: 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 5: This is ___________ most beautiful song I’ve ever listened to.

A. no article

B. an

C. a

D. the

Câu 6: Nobody took any _______of the warning and they went swimming in the contaminated water.

A. regard

B. recognition

C. notice

D. attention