【推荐1】People _______ much plastic（塑料的） rubbish into the sea and polluted the sea environment. But now, with the help of the government, things become better.

A．are used to throw

B．are used to throwing

C．used to be thrown

D．used to throw

【推荐2】Fiona used to ______ up late, but now she's used to________to bed at 9:30.

A．staying; going

B．stay; go

C．staying; go

D．stay; going

【推荐3】Many children don’t know that wood ________ paper.

A．used to make

B．is used to make

C．is used to making

D．are used for

【推荐1】— Has your uncle returned from Shanghai?
— Yes, he ________ there for a week and says he ________ there.

A．stayed, wasn’t used to staying	B．has stayed, didn’t use to staying
C．has stayed, didn’t use to stay	D．stayed, wasn’t used to stay

【推荐2】It ________ us a long time to wait for the next bus.

A．used to spend

B．used to take

C．used to taking

D．is used to spending

【推荐3】The old man and his wife ________ live in a big city, but they ________ living a simple life since they retired(退休) and moved to this small village.

A．used to, are used to	B．used to, have been used to
C．were used to, used to	D．were used to, have got used to