英文文法-助動詞請益2013/1/13 - 考試

不好意思,小弟才疏學淺，想請教各位大大幾題英文文法試題
(出處:王怡華-文法練習1000題)

1.Are you going to be there? If I------,I'll let you know.
(A)am (B)will be (C)would be (D)do there
答案:(A),想了解(B)錯在那呢?

2.I want to go to the dentist, but you------with me.
(A)need not to go
(B)do not need go
(C)need not go
(D)need go not
答案:(C), 想了解(B)錯在那呢?

3.Since Oriental ideas of woman's subordination to man prevailed
in those days, she-------meet with men on an equal basis.
(A)did dare (B)dare not (C)dare not to (D)did dare not to (E)did not dare
答案:(B),為何不可選(E)?


萬分感謝~~

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