问题

Please remember _________water pipe when you don’t need water. —OK, I will.

A:to turn off
B:turning off
C:to turn on
D:turning on;

正确答案是：

同类题型

This English book ________Liu Mei’s, it has her name on it.

It was announced that only when the fire was under control _______ permitted to return to their homes.

I think my friend Tony is _______to win the tennis game next Monday. [ ]

________ the instructions very carefully when filling in the form.

________progress you have madeCongratulations to you!