—What did our geography teacher say?
—She told us that the earth ___________ around the sun.
A. moves B.
moved 
C.
has moved
—What’s the low-carbon (低碳的) lifestyle like?
—Save ___________ energy, produce ___________ carbon.
A. less; more B. less; less C. more; less
—How about going hiking this weekend?
—Sorry, I prefer ___________ rather than ____________.
A. staying at home; go out B. to stay at home; go out C. to go out; stay at home
—We’ll make a trip to Hainan Island next weekend. Will you go with us?
—No, I can’t ____________ it at present.
A. afford B. offer C. accept
—___________ my daughter is only ten years old, she knows a lot.
—What a clever girl!
A. Though B. Because C. Whether
—Where are Kate and Michael?
—They __________ England.
A. have gone to B. have been to C. had been in
