l don't know when l can go home. 的同义句

l don't know when l can go home. 的同义句 I don't know when he can go back home.如何改为同义句 l don't know when l shall start the work (改为同义句） l don't kno I don't know when l should leave （同义句） I don't know l how I can swim in the river同义句转换 I don't know where I can go 的同义句 句型转换l don't know when l should leave l don't b know how l can get on with my new friend的同意句是什么啊,大 l don't know how l can work out this physics probiem.改为同意句 l don t know 同义句I don't know when I can start the new lesson=I don't know I don't know when I can post the letter.改为同义句I don't know __