23、All the people on earth should ______ the right to live in a peaceful environment.

      A. support                     B. defend                      C. overcome            D. upset

22、―Why was he unhappy yesterday?

―A letter from home ______ an attack of homesickness.

      A. set off                       B. set out                       C. set about             D. set up

21、 ―How are you getting along with your new job and your classmates?

― ______.

      A. I can’t tell you                                               B. So far, so good

      C. I’m glad you asked me about it                        D. I’m not getting along with Jane

20、The light will be thrown ______ the cause of cancer by research that is now in progress.

      A. to                             B. upon                         C. in                       D. for

19、When you are reading fast, your eyes will be one or two word groups ahead of ______ your mind is taking in.

      A. one                           B. others                       C. the others            D. the one

18、―Darling, our friend has arrived.

―I’m on the way ______ home. You try to make himself ______ home first.

      A. /; /                            B. to; at                         C. /; at                    D. at; by

17、 Does mass _______________ (失业) depress wages? 

二、选择题

（每空？ 分，共？ 分）

16、―Would you like to join me for a quick lunch before class?

― ______, but I promised Nancy to go out with her.

A. I’d like to                     B. I like it.                 C. I don’t                  D. I will

15、―Will $200         ?

―I’m afraid not . We need at least 50 more dollars .

A．count          B．satisfy        C．fit            D．do

14、         straight on and you’ll see a church . You won’t miss it .

A．Go             B．Going          C．If you go      D．When going