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

A. clean

B. to clean

C. cleans

D. cleaning

Câu 1: 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 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: 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 4: Nobody took any _______of the warning and they went swimming in the contaminated water.

A. regard

B. recognition

C. notice

D. attention

Câu 5: I'm really sleepy today. I wish I _______ Bob to the airport last night.

A. hadn't had to take

B. didn't have to take

C. didn't take

D. weren't taking

Câu 6: ________as the most important crop in Hawaii is sugar cane.

A. It is ranked

B. That ranks

C. It ranks

D. What ranks