O'Neal works hard. He is often seen _______ heavily before his teammates have even arrived at practice.

A. sweated                    B. to be sweated    

C. sweating                   D. being sweated

His parents meant him_____________ scientific research, but he showed no interest and turned poet.

A. going in for                     B. to have gone in for    

C. to go in for                     D. having gone in for

I coutdn't have got to the meeting on time____________ an earlier train.

A. if I had not caught              B. unless I had caugh

C. if ! did not catch               D. unless I caugh

_________she couldn't understand was_______fewer and fewer students showed interest in her lessons.

A. What; why    B. That ; what    C. What ; because    D.What;what

You should take the medicine after you read the __________.

A.lines     B. instructions     C. words     D. suggestions

It is the protection for the trees______ really  matters, rather than how many trees are planted.

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

Bread and butter____________ for breakfast in many Chinese homes nowadays.

A. serve          B. servers      C. is served     D. are served

That Xiao Shenyang was elected_____model worker of May Day caused ____enthusiastic discussion in China.

   A. the; the            B.a; an             C.the; a              D.a; the

---- Is there a vaccine _____ pig influenza?, I’m anxious to know.

  ----- Don’t worry, there is a vaccine _____ for pigs against pig influenza

 A. for; available   B. against ; use    C. to;  access     D. against; available

Premier Wen Jiabao said that if we worked hard and____ optimistic,we were_____ win the war against the finanical crisis.

A. were; bounding    B. were; bound to   C.was; bounding to    D.had; bounded to