It’s said ______  _______ was all_____ he said.

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

Is this the reason ______at the meeting for his carelessness in his work?

A. he explained    B. what he explained     C. how he explained   D. why he explained

Not only should you get used ______ under difficult conditions but also you pay more attention ______your work well.

A. to work, to do   B. to working, to doing    C. to work, to doing   D. to working, to do

The classroom is so dirty that it needs ______ badly.

A. clean     B. to clean   C. being cleaned   D. cleaning

 Laura was away in Paris for over a week. When she got home, there was a pile of mail ______for her.

       A. waited                     B. to wait                 C. waiting               D. was waiting

 The technical cooperation and cultural________ between the two countries are daily on the increase.

A．expenses          B．exchanges       C．revenges           D.  extension

He always gives students enough time to  ______ what they have just learnt.

A．a(chǎn)ttract          B．a(chǎn)bsorb         C．get          D．receive

We are confident that the environment ______by our further efforts to reduce pollution.

  A. had been improved      B. will be improved       C. is improved         D. was improved

_____an important role in a new movie, Andy has got a chance to become famous.

A. Offer            B. Offering      C. Offered         D. To offer

-- Dane hasn’t arrived yet?

   ----_____? To my knowledge, he is a punctual（守時(shí)的） person.

A.  How come     B. So what       C.  What if        D . Why not