(   )1.—Do you often go online?   —___.

A. Yes, I do   B. No, I often go online   C. No, I’m not.

(   ) 2.What do you usually do______ your computer?

    A. in       B. on       C. about 

(   )3.—_____the printer?    —Sorry, I don’t know. Maybe it’s in the living room.

.    A. What’s   B. Where’s   C. Where

(   ) 4. He often _______ his homework _____home.

     A. do, at    B. does, in       C. does, at