1 . _____ do you think is happening there?

A．How	B．What
C．When	D．Which

2 . --- Hey, Sherly, welcome back! __________?
   ---- Ok, I guess. My son and I went to Hainan and enjoyed the beautiful scenery there.

A．How was your holiday	B．How is your son
C．Where did you go for holiday	D．What did you do in your holiday

3 . ---________ has brought about the improvement of Chinese farmers’ living standards?
---The Party’s social benefiting policies, of course．

A．What is it that	B．What it is that
C．What is that	D．What is it

4 . ---Believe it or not, I have met him before.
---No kidding? ______ you’ve never mentioned it?

A．What if	B．What for
C．How come	D．How about

5 . ---______ he managed to solve the problem?
---Oh，he turned to Professor Lee for advice.

A．Was it how that	B．Was it that how
C．How was it that	D．How it was that

6 . — _______ you got to know my telephone number?
— Through a friend of yours.

A．How was it

B．How was it that

C．Was it how that

D．How did