I rang you several times yesterday but couldn’t ______.

A. get on     B. get down    C. get through    D. get to

He is very old, ______ he still works very hard.

A. but       B. if          C. when      D. as

 Tom kept quiet about the accident _____ lose his job.

A. in not order to      B. in order not to

C. in order to not      D. not in order to

_______ we got to the station, the train had left already.

A. If        B. Unless      C. Since      D. When

Cars, buses and bikes ________ stop when the traffic lights turn red.

A. can      B. may      C. must       D. need

When Mary came, I _____ on the piano.

A. is playing     B. plays      C. was playing    D. played

----Let’s ________some dumplings right now.

---- OK. I will cut up the meat first.

A. eat        B. buy            C. heat        D. make

 If we follow his plan, we can do the job better with _____money and ____people.

A. less, less      B. fewer, fewer      C. less, fewer      D. fewer, less

It was Jane_____ I saw in the library this morning.

A. that          B. which       C. what         D. when

 My father began to work ______ a bus driver when he was 20 years old.

A. for           B. to           C. at           D. as