---How can I save the water?
---It’s easy. First, make sure the tap ____________ after using.
A. turns off B. is turned off
C. turns on D. is turned on
--- Must I return the book today? I haven’t finished it.
---It depends on how long you have ____________ it? You should return it two weeks.
A. borrowed B. lent C. kept D. bought
That man ______be Mr Wang , because he has gone to Beijing.
A. couldn’t B. might not
C. can’t D. mustn’t
--- Why are they going to Wenchuan this winter?
--- They’re going to be a volunteer there and _____________ the people in the disaster area.
A. help with B. help out
C. take care D. take off
---Do you like playing _____piano or surfing _____Internet?
---Neither. I like playing the guitar.
A. the; a B. /, a C. the , the D. a, the
--- What kind of sweater would you like?
--- The ____________, the better. I don’t want to spend much on clothes.
A. cheaper B. cheap
C. more expensive D. expensive