My study of biology has ______ much of my spare time, but it has given me a great deal of enjoyment.

A. taken off    B. taken down        C. taken up     D. taken away

We ______certain livings as birds not because they have long legs or short legs,but because they all have

feathers.

A. think            B. classify               C. look             D. divide

Uner good treatment, many patients are beginning to _______ and will soon recover.

A.pick up          B.pick out         C.turn up           D.show up

— Would you like to go to Paris with us next year ?

— I’d like to, but my mother ______ that I am too young.

A. is against        B. opposes         C. objects           D. explains

In face of failure for the moment ,it’s the most important to_____a good state of mind.

A. keep on     B. keep at     C. keep up      D. keep out

 If the new arrangement doesn’t _____, we’ll go back to the old one.

A. work over         B. work out           C. work up     D. work in

A completely new situation will _________ when the examination system comes into

existence.

A. rise                B. arise        C. arouse          D. raise

I am trying to be the kind of boss that the workers will .       

A.live up to          B.look up to           C.watch out for        D.put up with

He _____the problem _____in his mind for a whole week before he did anything about it.

A. switched; on        B. kicked; up      C. turned; over         D. took; on

How I wish that I could ______ my ideas in simple and wonderful English when chatting on the net.

A. set out       B. set off   C. set over    D. set up