1.Tenstudentscameinandthestayedoutside.A.remainingB.remainderC.remainD.remained为什么选B不选D2.Itogiveyouacalltonighttoconfirmthetimesetforourmeeting.A.ShouldB.NeedC.OughtD.Have请问B错在哪里?3.Man

Question

1.Ten students came in and the _______ stayed outside.
A.remaining B.remainder C.remain D.remained
为什么选B不选D
2.______ I to give you a call tonight to confirm the time set for our meeting.
A.Should B.Need C.Ought D.Have
请问B错在哪里?
3.Many difficulties have _______ as a result of the changeover to a new type of fuel.
A.raised B.been raised C.risen D.arisen
为什么不能选B

Answer 1

remain是不及物动词,不能用过去分词表示被动.所以你记住,非谓语动词状态,remain永远只有remaining.
选B的话,你是把B作为情态动词了,那么这样后面就不能有动词不定式to
因为raise表示提出的意思,比如提出一个建议.但困难这东西是自己出现的,所以用不及物动词arise,表示出现的意思.rise虽然也是不及物动词,但意思这里不能用.