[00:18.39]A.How careful B.What carefully C.How carefully

[01:00.27]20.--They won't tell anyone the bad news,will they?-- ____.

[01:15.93]A.Yes,they won't B.No,they will C.No,they won't

[02:20.16]21.Let's go to watch the match,___?

[02:27.61]A.shall we B.will you C.don't we

[02:52.78]22.Though she'sbadly ill today,___she still workshard.

[03:24.38]A./ B.but C.so

[03:54.18]23.Which book do you think ___?

[04:03.17]A.will they buy B.they will buy C.they buy

[04:48.63]24.Let me help you,___ you won't finish it on time. A.so B.or C.and