20、You ______ be hungry already — you had lunch only two hours ago!

A. wouldn’t                  B. can’t                C. mustn’t                   D. needn’t

19、There are plenty of jobs ______ in the western part of the country.

A. present                    B. available            C. precious                   D. convenient

18、It is one of the funniest things ______ on the Internet so far this year.

A. finding                     B. being found              C. to find                     D. found

17、American Indian ______ about five percent of the U.S. population.

A. fill up                B. bring up            C. make up                  D. set up

16、Dogs have a very good __ of smell and are often used to search for survivors in an earthquake.

A. sense                B. view                 C. means                      D. idea

15、Don’t promise anything ______ you are one hundred percent sure.

A. whether                   B. after                  C. how                         D. unless

14、Everything was perfect for the picnic ______ the weather.

A. in place of         B. as well as          C. except for                D. in case of

13、Running a company is not ______ a matter of hiring people — they also need to be trained.

A. simply               B. partly                      C. seriously                  D. equally

12、Why are you so anxious? It isn’t your problem ______.

A. on purpose              B. in all                  C. on time                    D. after all

11、—Shall we go out for dinner tonight?

—______.

A. You are right            B. It must be funny       C. That sounds great     D. Have a nice time