一Climate change________mainly by too much CO 2 in the air.
一So I think the key is to produce electricity without creating CO2
A.is caused B.caused C.causes
一A child’s family background brings him or her a bright future.
一Not really . A study shows that reading for pleasure plays a more important _________.
A.part B.game C.joke
一_________beautiful blouse she is wearing!
一But it doesn’t look good against her skin.
A.What B.What a C.How
Since Project Hope started,it _______ millions of children to come back to school
A.has helped B.helped C.is helping
一We don’t have enough money for our field trip .What shall we do?
一The best way_______money is to sell newspapers.
A.raise B. to raise C.raising
一Last night I didn’t watch the TV show,A Bite of China 2.
一______ did I.I was preparing for today’s test then.
A.So
B.Either
C.Neither