Without proper lessons, you could _________a lot of bad habits when playing the piano.

A. set up           B. catch up     C. pick up          D. keep up

He had ________me not to play games on the Internet again, but hardly could he get rid of them.

A. wished        B. promised      C. advised            D. persuaded

----I don’t suppose the police know who did it.

----Well, surprisingly they do. A man has been arrested and _____ now.

A. has being questioned                     B. is questioning    

C. has questioned　　                       D. is being questioned

Disappointingly, the new computer, ________ he loves a lot,   breaks down frequently.

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

Recently our government policymakers are very _______about the rapidly rising food costs.

A. upset    B. confused C. concerned    D. conscious

He started to study ecology and decided to  _______his whole life to the science.

      A. ignore     B. devote       C. prefer       D.lead

I didn’t get a pay rise, but that wasn’t the right reason _______I left.

A. how      B. at which     C. when         D. for which

The number of the people who can afford to buy their own house ______ more than 60%,but a number of houses _______.

A. are; hasn’t been built    B. are; has built      C. is; haven’t been built       D. is; have built

When you are in trouble, you may _______ your teacher and classmates for help.

A. turn away        B.  turn around                C．turn back     D. turn to

For  _______information about present national boundaries, we’d better refer to an up-to-date map.

A. practical        B. frequent     C. reliable     D. beneficial