—What’s the low-carbon (低碳的) lifestyle like?—Save ___________ energy, produce ___________ carbon.A. less; more B. less; less C. more; less
---How can I save the water? ---It’s easy. First, make sure the tap ____________ after using.
--- 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.
That man ______be Mr Wang , because he has gone to Beijing.
--- Why are they going to Wenchuan this winter? --- They’re going to be a volunteer there and _____________ the people in the disaster area.
---Do you like playing _____piano or surfing _____Internet? ---Neither. I like playing the guitar.