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— My room gets very cold at night.

— ______.

A. So is mine   B. So mine is    C. So does mine    D. So mine does

Don’t play with dog, Jack, for it _____ be dangerous at times.

      A. shall                       B. can                     C. should                          D. must

In the swimming race, three boats will be ____in case of an emergency.

A. standing by       B. turning on       C. getting on           D. running on

Books are the most important records we keep________man’s thoughts, ideas and feelings.

A.up        B.of                C.for           D.on

So far, many ships have been reported missing________the coast of Bermuda.

A.off       B.along      C.on           D.around

________ a difficult situation, so you should send a message to him and give some advice to him .

A. As he is in      B. He is in          C. Being in                  D. He being in

Entering the house we found him lying on the ground with his mouth ______ and eyes______.

 A. open ; close      B . opened ; closed     C. opened ; close      D. open ; closed

The increase of the number of the students in our school makes the computers not ______ to each student．

A．a(chǎn)vailable        B．a(chǎn)ffordable         C．helpful         D．a(chǎn)cceptable

After the soldier ___ in the field for some time, he heard someone shouting to him ___ the distance

   A. laid; at    B.lay; in    C. lain; on  D.lied; from

Rather than _____ on a crowded bus, he always perfers _____ a bike.

　 A. ride; ride 　   B. riding; ride

　 C. ride; to ride 　 D. to ride; riding