21、用to do；do；doing或done填空
Youshould make your views (know).
Hesuggested (call) a meeting and lettingthe workers (decide) the matterthemselves.
Idon’t like to hear you (talk) likethat.
Timdecided (put) broken glass on top ofhis wall to prevent boys (climb) overit.
Successmeans (work) very,very hard.
Iappreciate your wanting (help) myfriend,but it’s time he learnt (practise) (do)his work alone.
Try (put) in some more vinegar --- that mightmake it taste a bit better.
Ourteacher has promised (help) us (prepare) for the examinations which he hasput off
(hold) till next week.
22、填正確形式
Father:I’ve supported you all through university.Now I think it’s time you (begin) to support yourself.
Wesuggest that this applicant (apply)next year
Heis the kind of salesman (who,why,whose,form whom) it is difficult to get away.
Isthis the reason (who,why,whose,formwhom) he refused our offer?
Ishe the man (who,why,whose,form whom)wants to see you?
Theyrushed over to help the man (who,why,whose,form whom) car had broken down.
Don’task to explain (no matter what,because,unless,so that) you really don’t understand.
Itwas (no matter what,because,unless,so that) he was ill that he didn’t go with us.
Theteacher must speak clearly (no matterwhat,because,unless,so that) his students can understand well.
(nomatter what,because,unless,so that) he did,no one paid any attention tohim.