请说明原因,1.Sorry,I am too busy now.If I have/had time,I would certainly go for an outing with you.2.Food supplies in the flood-stricken area _______.We must act immediately before there ' s none left.A.have run out B.are running out C.have

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请说明原因,1.Sorry,I am too busy now.If I __have/had__ time,I would certainly go for an outing with you.2.Food supplies in the flood-stricken area _______.We must act immediately before there ' s none left.A.have run out B.are running out C.have
请说明原因,
1.Sorry,I am too busy now.If I __have/had__ time,I would certainly go for an outing with you.
2.Food supplies in the flood-stricken area _______.We must act immediately before there ' s none left.
A.have run out B.are running out C.have been run out D.are being run out

请说明原因,1.Sorry,I am too busy now.If I __have/had__ time,I would certainly go for an outing with you.2.Food supplies in the flood-stricken area _______.We must act immediately before there ' s none left.A.have run out B.are running out C.have
第一题选 had.句意是：抱歉,我现在很忙.假如我有时间,我定会跟你出去.这句是虚拟语气,从句用过去时,主句用过去将来.再举个例子：If I were her,I would not go out with him.（如果我是她,我就不会跟他出去.[其中含义还有这是你自己的见解和建议.]）
第二题选B.句意是：洪涝重灾区的食品供很快告罄.我们必须马上在（食品供应）一无所剩前采取行动.也就是说食品供应快完竭了,用 be (is/are) running out 的形式表达.A 选项表示已经没有；C选项是已经没有的被动式；D选项是被动,“被完竭了”.Run out 这个词的主语是something,不需要被动式.不知道说的明白不?

Had A
1.状从，主将从现，would是Will过去式，所以从句里的have用had

had 虚拟语气知识点
run out 不及物不能由被动 CD排除，更具时态选A

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1.had
2.a

1、had.因为if条件句有三个格式，这是第二个，主句would do，从句过去时.
第二题不会。

第一题选 had. run out 不及物不能由被动 CD排除，根据时态应该选A。

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第一题选 had. 句意是：抱歉，我现在很忙。假如我有时间，我定会跟你出去。这句是虚拟语气，从句用过去时，主句用过去将来。再举个例子：If I were her, I would not go out with him. （如果我是她，我就不会跟他出去。[其中含义还有这是你自己的见解和建议。]）

第二题选B。句意是：洪涝重灾区的食品供很快告罄。我们必须马上在（食品供应）一无所剩前采取行动。也就是说食品供应快完竭了，用 be (is/are) running out 的形式表达。A 选项表示已经没有；C选项是已经没有的被动式；D选项是被动，“被完竭了”。Run out 这个词的主语是something, 不需要被动式。不知道说的明白不？

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