21.　 -- Why did he let you repeat his instruction time and time again?　

　　 -- ＿＿＿＿＿＿that I remember what was＿＿＿＿＿after he went out.　　

　　 A. To see to it；to be done　　　　 　

　　 B. Making sure； to be done　　

　　 C. To make sure；to do　　　　

　　 D. Seeing to； done　　　

20.　 Now then, children.　 It’s high time you ＿＿＿＿＿＿ and dressed.　　

　　　 A. washed　　　　　　　 B. should wash　　

　　　 C. were washed　 　 D. are washed　　

19.　 -- Few children are as bright as he is, and also, he works very hard.　

　　 -- It’s no ＿＿＿＿＿ that he always gets the first place in any examination.　　　

　　　 A. question　　 　 B. doubt　　　 C. problem　　　 D. wonder

18.　 She finds ＿＿＿＿＿＿ boring ＿＿＿＿＿＿ at home.

　　　 A. it； staying　 　　　　　　　　　 B. that； being stayed

　　　 C. this； to stay　　　 　 　　　　　 D. it； stayed　

17.　 ＿＿＿＿＿＿ for the free tickets, I would not have gone to the films so often.　　

　　　 A. If it is not　 　　　　　　　　　　 B. Where it not　

　　　 C. Had it not been　　　　　 D. If they were not　

16.　 He said, “＿＿＿＿＿ a long way to school.　 ＿＿＿＿＿ a long way to go yet before we arrived. ”　

　　　 A. It is ； There is　　　　 B. There is ； It is　　

　　　 C. It is ； It is　　 　　　　 D. There is； There is

15.　 It’s the third time ＿＿＿＿＿ arrived late this month.　

　　　 A. that you　 　　　　　　　　 B. when you　　

　　　 C. that you’ve　　 　　　　 D. when you’ve　　

14.　 Our classroom is very clean.　 Do you know who＿＿＿cleaned it?　　　

　　　 A. was it that　　 　　　　　　　　　 B. it was that　　 　

　　　 C. was it who　　 　　　　　 D. he was　　

13.　 --　Was that the new comer who walked by?　　

　　 --　＿＿＿＿＿.　　　

　　　 A. It must be that 　　　　　 B. It must have been

　　　 C. He must be　　　　 　　　　　 D. This must have been　　

12.　 ＿＿＿＿being March 12th, they planted trees on the hill.

　　　 A. That　B. It is　 C. It　　D. This