问题
－ We can use QQ to talk with each other online.－ Great! Could you tell me _____it
A:how to use
B:what to use
C:where it use
D:when to use;
B:what to use
C:where it use
D:when to use;
正确答案是：
同类题型
－You haven’t switched off the light.－Oh, don’t worry.I ________ and turn it off.
This camera is very similar ________ thatone.—Yes. I have some trouble ________ theirdifferences.
Is the boy in white clothes your friend, Kangkang —No. ____ in black clothes is.
, I have to now.It’s time for class.—OK. I’II call back later.