New technology_______ to make sure that the cars, taxis, buses and trains we use_______ the air.

A. is used; not to pollute B. has used; is not polluted

C. is being used; do not pollute D. has been used; to pollute

Mary didn't go to John's birthday party because she_______.

A. wasn't invited B. didn't invite

C. isn't invited D. doesn't invite

-Have you read through the two books he lent you last week?

-No, _______ of them is easy to read.

A. either B. none C. both D. neither

I can hardly know_______ so many used cars.

A. how to do with B. what to do with

C. what to deal with D. how dealing with

Daniel is_______ busy_______ see a film with us.

A. too; to B. so; to C. very; / D. too; /

Don't leave the tap_______ all the time when you brush teeth_______ It's a bad habit.

A. run B. to run C. running D. runs

Another two months will be needed before the bridge_______.

A. completes B. is completed C. has completed D. will be completed

Our government is trying to provide homeless people ______special shelter______ stay peacefully.

A.with； to B.with； for C.for； to D.for； with

-Have you finished your homework, Linda?

-_______. How about you?

A. Not at all B. Not likely C. Not a bit D. Not yet

Millie doesn't study hard. _______, she often fails to pass the exam.

A. So as to B. In fact C. So that D. As a result