They were interested ________ you told them．

A．in which

B．in that

C．all that

D．in everything

Ladies and gentlemen, please fasten your seat belts．The plan ________．

A．takes off

B．is taking off

C．has taken off

D．took off

He asked us to watch carefully everything ________ he did in class．

A．who

B．that

C．what

D．which

－I had a chance to be sent to Africa to attend a meeting on the environment protection．

－Well, would you please tell me about your ________ there?

A．experience

B．experiences

C．practice

D．incidents

Although medical science ________ control over several dangerous diseases, what worries us is that some of them are returning．

A．achieved

B．has achieved

C．will achieve

D．had achieved

Didn’t you see the man ________?

A．I nodded just now

B．whom I nodded just now

C．I nodded to him just now

D．I nodded to just now

Could you tell me such a wonderful story ________ no one else has ever heard?

A．that

B．which

C．as

D．what

If ________ within half a day after it was caught, the fish will taste good．

A．cooks

B．cooked

C．cooking

D．is cooked

Though I had went over my lessons, ________ I failed the exam．

A．but

B．and

C．then

D．yet

I ________ easily lose my temper when the students didn’t turn in their homework on time, but now I’ve changed a lot．

A．was used to

B．use to

C．used

D．used to