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问题: 英语语法8

Jasmine was holidaying with her family in a wildlife park_____she was bitten on the leg by a lion.
A.when B.what C.that D.how
要详细的过程和思路

解答:

A

这里考核了一个when的固定用法,与你提问的“英语语法3”相同。

此处when是一个并列连词,解释为“就在此时/这个时候/那时”,=and at that momnent,常用于以下三个固定的结构中:

以过去的某个时刻为时间基点:

(1)sb.A was/were doing(延/持续性动词)sth. ... when sb.B did sth. ...(do和did同时发生)

(2)sb.A was/were about to do(瞬时/间//非延/持续性动词)sth.... when sb.B did sth. ...(do发生在did之后)

(3)sb.A had done(瞬时/间//非延/持续性(瞬时/间//非延/持续性动词)sth.... when sb.B did sth. ...(done发生在did之前)

如果时间基点是现在当前,只需将上述的结构中过去的时态变为现在的时态即可