把复合句改成简单句:1.i don't know when i will come back.→i don't know ().2.i haven't decided

which one i should choose.→i haven't decided ().

1.i don't know when i will come back.→i don't know 【when to come back】.

2.i haven't decidedwhich one i should choose.→i haven't decided 【which one to choose】.

如有疑问,请追问。

无疑后请采纳。

书山有路勤为径,学海无涯苦作舟。

-----------与君共勉-----------追问

i don't know when i will come back
【when to come back】请问【i】为什么去掉?

追答

使用特殊疑问词+动词不定式的结构不需要使用主语。
另外如果加 I,也实在没地方加啊,除非加个 动词 不过加个动词又变成复合句了 。就不是简单句了

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第1个回答  2012-10-30
撒的发
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