题目内容：

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.