The failure of the experiment made us very sad._________　it also taught us a lot.

　　A. On another way　　B. On the other hand　　C. On one hand　　 D. In the other hand

The children like eating chocolate,because it tastes very　__________.

　　A. sour　　B. sweet C. salty D. cheap

I have been told many times the importance of working hard and not just　_________　what I enjoy,but running is the only thing　______　I have ever liked most.

　　A. doing;what　　B. to do;what　　 C. doing;that　　D. to do;that

梂hat a hard problem!

　　桝sk Mary.　Maybe she has　________　with a good idea about it.

　　A. come up　　B. ended up　　 C. met up　　　　 D. kept up

My brother and I look different　_________　we are twins.

　　A. unless　　B. as　　C. though　　D. because

I often watch TV in the evening,　but　________　I read.

　　A. sometimes　　B. some time C. some times　　D. sometime

Don't make me　________　this or that.I'm too busy!

　　A. to do　　B. do　　C. doing　　D. done

That is　________　watch._________　is here.

　　A. yours;Ours　　B. your;Her C. her;Mine D. his;Your

桵r Wang, I have trouble　_________　the text.

　　桼emember　_________　it three times at least.

　　A. to understand;reading B. understanding;reading

C. understanding;to read D. to understand;to read

梂hat would you like to drink?

　　桰t doesn't matter.　________　will do.

　　A.Something　　B.Nothing　　C.Everything　　 D.Anything