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1.She ____into the thick forest alone on such a dark night.

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1.She ____into the thick forest alone on such a dark night.
A.dares not go B.dares not to go C.dare not to go D.doesn`t dare to go
2.If he ____,he ____that food.--Luckily he was sent to the hospital immediateiy.
A.was wared;would not take B.had been warned ;would not have taken
C.would be warned;had not taken D.would hae been warened;had not taken
3.He ___you more help,een thougu he was very busy.
A,might have gien B.must have done C.might have given D.must do
答案我知道了但不知道为什么,所以请各位不要乱答.
1.She ____into the thick forest alone on such a dark night.
1.D.
dare 作情态动词(没有第三人称单数形式,后接动词原形),常用语否定句和疑问句.据此排除A B C.在D中,dare为实义动词,后可跟动词不定式,一般现在时第三人称单数否定形式借助于助动词does + not构成.
2,选B.与过去事实相反的虚拟语气:if 从句用过去完成时,主句用would + have + 过去分词 构成.句意为:要是当初提醒他的话,他就不会吃哪种食物了.
3.你可能把A写错了:应该用C ."might have done "结构表示:(过去)本可以...但(事实上)没..." 句意为:即使他在忙,也可以给你提供更多帮助的.