He doesn't know when ____(leave) here; He doesn't know when
He doesn't know when ____(leave) here; He doesn't know when
he doesn't know
He doesn't know ____ about Africa.
选择填空:Paul doesn't know ____ to talk ___ when he has problems
He doesn't know what he will be like when he gets up the nex
1.He doesn't know when he _____to Italy next year.
Granham Turner doesn't know when he will finish work,does he
He doesn't know when he will go back to his hometown.(改为简单句)
he doesn't know when he will start tomorrow.(改为简单句)
为什么不选when As a new graduate,he doesn’t know _____ it takes t
He doesn't know ____ is _____he was born.
中文翻译:When he doesn't know how to do his homework.