【怎样改英语简单句?这里有几题,(最好说一下怎么改）1.Wedidn'tgooutforawalkbecauseitwasraining.Wedidn'tgooutforawalk__________therain.2.Hewassoexcitedthathecouldn'tgotosleep.Hewas_____________gotobe】

　　怎样改英语简单句?

　　这里有几题,(最好说一下怎么改）

　　1.Wedidn'tgooutforawalkbecauseitwasraining.

　　Wedidn'tgooutforawalk__________therain.

　　2.Hewassoexcitedthathecouldn'tgotosleep.

　　Hewas_____________gotobed.

　　3.Idon'tknowwhenwewillbeginthework.

　　Idon'tknow____________thework.

　　还有，复合句呢？怎么改？