改为同义句:I don’t know what I should buy her.

问题描述:

改为同义句:I don’t know what I should buy her.
I don't know _____ _____ buy her.

What to以 wh- 疑问词或 how 引导的宾语从句与动词不定式可相互转换:疑问代词 who,what,which 及疑问副词 when,where,why 等和动词不定式连用,构成动词不定式短语.I didn’t know what to do.The policeman showed u...