一、单项选择 (每小题1分, 共20分)
( )1.-I can’t find my CDs. -________you put them in that bag.
A. Must B. May be C. Maybe D. May
( )2.-What about_______ a rest? –OK !Let’s go for a walk.
A. to have B. had C. have D. having
( )3.--Sally, how often do you use the Internet ?-_________.
A. Twice a week 3. Three hours C. Two years ago D. This afternoon
( )4.--_________do you visit your grand- parents? --Once a month.
A How soon B. How long C. How much D. How often
( )5. Tom studies _______.He _______plays with his friends.
A. hard; hard B. hardly; hardly C. Hard; hardly D. hardly; hard