They are always ready to give the vacant seats to _______ comes first.   

       A．who                       B．whom                     C．whoever                 D．whomever

Some areas, ____ their severe weather conditions, are hardly populated.?

A.due to                             B.with regard to?        C.but for                     D. in spite of

—Why do you look so worried?  

—Fred left the company half an hour ago. His work _______ unfinished since.

A. left                          B. was left            C. has left                     D. has been left

．—Do you feel like ________ there or shall we take a bus?

　　  —I’d like to walk. But since there isn't much time left, I'd rather we________ a taxi.

　　A. walking; hire           B. to walk; hire            C. to walk; hired   D. walking; hired

There are certain _______when you have to interrupt people who are in the middle of doing something.

A．chances                  B．situations        C．occasions               D．opportunities

What do you suppose _____ him think so??

　　A. to make    B. making    C. to have made    D. made?

He transplanted the little tree to the garden _____ it was the best time for it.

    A. where           B. when          C. that             D. until

I think he is _____ to win, but I'm not sure.?

　　A. possible       B. likely?     C. impossible       D. certain??

—What do you think of the concert?  —I really enjoy it. I didn’t expect it was ____ wonderful.

A. as    B. more    C. most     D.very

______ is it _____ has made Peter _____ he is today?

A. What; that; that  B. That; that; what  C. What; what; that  D. What; that; what