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Is this the very material that scientists ______ the 2012 London Olympic Games torch?

A. used to light                         B. are used to lighting

C. use to light                           D. are used to light

The job required         did it         careful and brave enough.

A. who; is     B. whom; was    C. whomever; were     D. whoever; be

—I wonder why Susan looks worried today.

  —I’m not sure, but she _____a small accident driving here.

A. could have     B. might have    C. might have had     D. must have had

     from the top of the tower ,the south foot of the mountain is a sea of trees.

A. Seen         B. Seeing       C. Having seen       D. To see

_____, I believe, and you will find Tom is very outgoing．

A．Having a talk with the student              B．Given a talk with the student

C．If you have a talk with the student           D．One talk with the student

— You were late again, Peter.

—Sorry, I ______ to be here on time, but the traffic on the roads _____ heavy.

A. wanted; was                      B. had wanted; was    

C. wanted; would have been            D. had wanted; would have been

—Who is the man ______ by a group of students there?

—A professor _____ research on physics.

A. followed; did         B. following; did

C. followed; doing       D. following; doing

Mr Black has two sons, one of ________working as a doctor.

A. them          B. who           C. whom            D. whose  

With a lot of difficult problems _     , the manager felt like a cat on hot bricks.

A. settled           B. settling                C. being settled      D. to settle

It was ___ the quality of life in the future ___ I took this training course, not just to make more money.

A. to improve; that  B. improving ; when  C. to improve; when  D. improving ; that