We’ve made up our mind to finish this experiment no matter ___ difficult it was.

A. what    B. when     C. how   D.how much

Having received ________ training of the MS. Company, he was offered ________ important position in management.

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

— Why weren't you at the meeting?

　　　　— I ________ for a long distance call from my sister in America.

　　A. was waited　　　　　　　　　　B. was waiting

　　C. has waited　　　　　　　　　　 D. have been waiting

In our class, when the bell rang and the teacher closed his book, it was a ______ for everyone to stand up.

A. signal        B. chance          C. mark            D. measure

Stand there! I'll __ you.

A. take down   B. take photos of   C. take off    D. take notes

Let’s learn to use the problem we are facing      a stepping-stone to future success.

A. to                                   B. for                    C. as                            D. by

I never thought our museum would_______so many visitors.

A.be appealed               B.appeal                       C.be appealed to            D.appeal to

While you were in London that year,the London Bridge______.

A.was being repaired　　　　                          B.had been repaired

C.would be repaired　　　　                           D.was repaired

My teacher______of us to hand in the compositions tomorrow.

A.asked                        B.demanded                  C.requested                   D.begged

Our talk with the government ______ the serious matter of robbery with violence.

A. looked in       B. assisted with          C. heated up              D. ran on