1.He worked until 11 o'clock last night,___ for the speech .

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1.He worked until 11 o'clock last night,___ for the speech .
Really He must ___ it now
A.to prepare ,finish B preparing,finish C to prepare ,have finished D preparing,have finished
2.Do be careful when you do that dangerous experiment,___ will
A don't B aren't C will D shall
3.Before he ___ war ,Argon asked his handsome son,Ferdinand,___ if he gets killed.
A left to ,will revenge B left to,to revenge C left for ,will revenge D left for ,to revenge

D
preparing是分词做状语,表示状态.
must have done表示推测,他一定已经完成了.
C
后面打错了吧,是will you?吧.祈使句都用will you反问.
D
leave for去（参加）……
ask sb. to do sth.请某人做某事
这里意思是：他在赶赴战场前,告诉他的儿子如果他被杀了要报仇.

1.He worked until 11 o'clock last night,___ for the speech . He did not -----(出现) until ten o'clock last night . My mother worked until ten o' clock last night(同义句） My father worked till 12:00 o'clock last night.He was so tir He didn't come back home until 10 o'clock last night句型转换 He didn’t go to bed until twelve o‘clock last night这句话中的didn Mike ____(not go )to bed until 12 o'clock last night .So he He _________ (才睡觉) to bed until twelve o'clock last night. We didn’t wait for him until ten o’clock last night. Last night he went to bed after 11o'clock They didn't get home until twelve o'clock last night,did the He stayed up late last night,___ a speech for his boss.A.to