They overcame all the difficulties and completed the project two months ahead of

游客2023-11-12  23

问题 They overcame all the difficulties and completed the project two months ahead of time, ______ is something we had not expected.

选项 A、which
B、it
C、that
D、what

答案 A

解析 which引导的修饰整个主句的非限制性定语从句,一般是对主句的内容作进一步的说明,相当于一个并列分句,此时which可用and this代替,例如:She married Joe,which surprised everyone.她嫁给了乔,这使大家都感到意外。Liquid water changes to vapor,which is called evaporation.液态水变为蒸汽,这个过程叫作蒸发。Friction wears away metal of the moving parts,whi
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