You should look after ,classmates.

A.yourselvesB.yourselfC.herselfD.himself

Some people plan to ______ a volunteer project to help the disabled children.

A. put up B. think up C. set up D. cheer up

I saw him when I passed by.

A.ranB. to runC.runsD.running

We can’t put off _____ a plan .

A.make B. to make C.making D. to making

Pollution is a serious problem. Scientists have _______ some good ways to save it.

A. come up with B. come on C. come out D. come up

.He lives_______in the______village, but he is never_______.

A.alone; alone; lonely B.alone; lonely; lonely;

C.lonely; alone; lonely D.lonely; lonely; alone.

This is______difficult problem that few students can work it out.

A.so B.so a C.such D.such a

Aron water five days later.

A.ran outB.used outC.ran out ofD.used out of

Smoking is bad for your health. You should .

A.give up itB.give up themC.give it upD.give them up

—_____ you please play tennis with me? —Sorry, I _____.

A. Could; can’tB. Could; couldn’t C. Can; don’t D. Can; couldn’t