30、Much of the farm is under water; ________ the grain, most of that has been ruined.

       A. owing to           B. thanks to                  C. as for                       D. as with

29、─Perhaps John’s not in.

─______. Look, the light’s on.

   A. Yes, he can be at home     B. No, he couldn’t go out

   C. Yes, he must be at home   D. No, he needn’t go out

28、In those days, the old woman ________ sit at the gate for hours, waiting for her son to return from the front.

   A. could                         B. should               C. might                D. would

27、―Don’t look down upon Bob. He has his own advantages.

―Oh, yes. ________ others are weak, he is strong.

   A. If                       B. Where                      C. Though                    D. When

26、 Glad to see you back. How long ________ in Russia?

   A. did you stay                                     B. have you stayed       

   C. were you staying                              D. have you been staying

25、When the old woman died, it ________ that she was actually very rich.

 A. came to an end  B. went to light      C. came to herself     D. came to light

24、If you feel tired and sick of fat food, that is ________ you have to go to the hospital for medical examination.

A. why                         B. whether           C. when                  D. what

23、―Is ________ finished?

―Not yet. My dirty clothes are still soaking in the washing machine.

    A. something                B. anything                   C. nothing             D. everything

22、With the development of the Internet, ______ communication is done by regular mail.

   A. less                        B. more             C. little              D. few

21、With high taxes and his small income, Henry had great difficulty in ________both ends meet.

       A. having               B. letting                C. making                     D. getting