问题

I knew I could not finish the homework_____.

A:by the time he had come
B:before he came
C:until he has come
D:when he comes

正确答案是：

同类题型

Not only ________ their kids to join in the physical activities they enjoy, but schools should also create opportunities for children to be active.

when I heard the bad news I couldn’t help ________ .

Thomas wants to know .

There are a number of cases _______ family members or friends quarrel with each other and become enemies.

You don’t need to make fancy foods to impressguests—it is something simple but good _____ will do