赞题库-背景图
单项选择题

The clever boy made a hole in the wall, （） he could see （）was going on inside house.

A. which; what
B. through which; what
C. through that; what
D. what; that

<上一题 目录 下一题>
热门试题

单项选择题A library with 5000 books ______ to the school as a gift.

A. is offered
B. has offered
C. are offered
D. have offered

单项选择题I’ll be back before you （）

A. will leave
B. will have left
C. leave
D. would leave