改写同义句 I‘ll never go to bed until I work out the problem.

改写同义句 I‘ll never go to bed until I work out the problem. 改同义句 I'll never go to bed until Iwork out the problem I won't go to bed until i finish my homework.(同义句) I will go I think it easy for me to work out the problem的同义句 i don't know how to work out the math problem 同义句 2.I took him an hour to work out the problem .( 同义句 ) 改为同义句I find that it is hard for him to work out the problem. I didn't go to bed until I finished my homework 同义句 I went t It’s difficult for me to work out the math problem(同义句改写） After my mother came home,I would go to bed.(用Not...until改写句 I can work out the problem easily 同义句转换 I ___ ___ ___ work o I didn't go to bed until i finished my homework改为同义句