英语 (14 8:57:39)He                 you some help,even though he was busy at that time.A.must give           &#

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英语 (14 8:57:39)He                 you some help,even though he was busy at that time.A.must give           &#
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英语 (14 8:57:39)He                 you some help,even though he was busy at that time.A.must give           &#
英语 (14 8:57:39)
He                 you some help,even though he was busy at that time.
A.must give                      B.must have given
C.might give                     D.could give
                   I to go and apologize for my mistake?A.Should      B.Need      C.Ought      D.Have
He went on foot,but he               by bus.
A.should go                               B.could have gone
C.ought have gone              D.need go

英语 (14 8:57:39)He                 you some help,even though he was busy at that time.A.must give           &#
B 他本应该帮你的,即使那时他很忙.
D have to do 不得不去做
B 他步行去的,但是他本能够乘公共汽车.
1和3考查的是虚拟语气.

B must have done 是表示本来应该做某事,却没有做 这句话的意思 “即使当时他有事在忙,他也本应该给你一些帮助的。 ”
A 我是否应该去为我的失误道歉
B 同第一题 他步行去的,但是他本应该坐车去的。

1.B 句意是,即使当时他很忙,他也一定会帮你的。EVen though 后是过去时态前面主句应用虚拟语气,表示对过去事情的肯定性推测,用MUST HAVE DONE的形式
2.C Ought to do 在这个句子里别的不能和to搭配
3.B 句意:他本能乘车的,但是他步行去的,对过去的推测...

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1.B 句意是,即使当时他很忙,他也一定会帮你的。EVen though 后是过去时态前面主句应用虚拟语气,表示对过去事情的肯定性推测,用MUST HAVE DONE的形式
2.C Ought to do 在这个句子里别的不能和to搭配
3.B 句意:他本能乘车的,但是他步行去的,对过去的推测

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B时态一致
C ought to固定搭配,情态动词
B本可以