问题

It was not yet dawn ______ the boy got to the school.

A:when
B:that
C:before
D:until

正确答案是：

同类题型

do youhang that photograph above the fireplace—— visitors of the memorial days of LongMarch, Sir.

. ______ is the kindness of the nurse thatthe patient can never be ______ to her.

下列各句中，不含通假字的一项是（）

The accident_______when we ______our school.

What great fun we had ______ and ______ together at the party yesterday!