问题

How can we reduce CO2 in our home? —It’s easy．______off your TV or computers when you’re not using them, and you’ll greatly reduce it

A:Turn
B:To turn
C:Turning
D:Turned

正确答案是：

同类题型

The little girl is not quite confident ______ her ability to go to a key university and she is very sensitive _____ everything concerned with it[ ]

We can’t find a partner .

He is going into hospital to have a small __________ her knee.

Are those books—No，they aren’t. They’re .

Could you please tell me_______