翻译英文：我不知道他何时回来,如果他回来后,我会告诉他你已经到了
问题描述：
翻译英文：我不知道他何时回来,如果他回来后,我会告诉他你已经到了
答
I don't know when he will come back.If he comes back,I'll tell him you have arrived.
翻译英文：我不知道他何时回来,如果他回来后,我会告诉他你已经到了
I don't know when he will come back.If he comes back,I'll tell him you have arrived.