赞题库-背景图

单项选择题

Please ______ before you cross the road.

A．look up
B．look around
C．look at

<上一题目录下一题>

热门试题

单项选择题He walked so ______ that he missed the last bus.

A．fast
B．slowly
C．quickly

单项选择题—______ house is that —It's mine.

A．Who
B．Whom
C．Whose