【题目】—What are you doing, Lisa? Why not turn off the light? It’s time to sleep.

【题目】—What do you think of their advice?

【题目】— Everyone has________the important parts on the blackboard. Why didn’t you do that?

【题目】If you_________a person, you want him or her to have courage to do something.

【题目】—Why are there so many plants in your flat?

【题目】—Did you stay at home________last night?

【题目】Julia is very clever．In fact，I doubt whether anyone in the class has_______ IQ．

【题目】________there are all sorts of difficulties and challenges, the life of Chinese people is becoming better and better.

【题目】—Do you know the man over there? Is that Mr. Green, our Chinese teacher?

【题目】—________do you go to the library?