【推荐1】Keys _______ opening the lock in the door.

A．used for

B．are used

C．are used to

D．are used for

【推荐2】I ________ in this small mountain village when I was a child.

A．use to live

B．used to living

C．used to live

【推荐3】Mr Zheng ________ ride to work, but now he walks to work.

A．used to

B．is used to

C．was used to

【推荐1】— I remember there ________ a lot of fish in the river. Now there are few of them left in it.
— What a pity! I think we should play a role in protecting the environment.

A．are used to having	B．are used to being
C．used to have	D．used to be

【推荐2】—Is your father a doctor?
—No. He ________ a doctor. But now he is a policeman.

A．used to being

B．is used to be

C．used to be

【推荐3】Mike ________ take risks, but now he ________ living a common life.

A．used to; is used for

B．is used to; used to

C．used to; is used to

【推荐1】My father ___________ have a cigarette after a meal, but now he ___________ taking a walk.

A．used to; used to	B．used to; is used to
C．is used to; used to	D．was used to; is used to

【推荐2】Kangkang used to ________ country music, but now he likes jazz best.

A．enjoy

B．enjoys

C．enjoyed

D．enjoying

【推荐3】Jan used to ________ to school. But now she rides her bike to school.

A．walks

B．walking

C．walked

D．walk

【推荐1】Sorry, I didn’t see the sign of “No Photos”. I’ll _______ my camera.

A．put out

B．put off

C．put up

D．put away

【推荐2】I __________ my best friend Lucy yesterday. Look, here is her letter!

A．heard from

B．wrote about

C．waited for

D．woke up

【推荐3】The oil will ________ one day. We should make good use of it.

A．find out

B．work out

C．run out

D．give out