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

A. staying

B. to stay

C. stay

D. to staying

Câu 1: 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 2: 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 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: In my free-time, I often help mom with ___________ the house.

A. clean

B. to clean

C. cleans

D. cleaning

Câu 5: He advised them ___________ in class.

A. don’t talk

B. to not talk

C. not to talk

D. to talk not

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.