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小题1:Yesterday I ____ _____ _____ (遭遇) a sandstorm.
小题2:Deserts are created because people______ ______(砍倒) trees and dig up grass.
小题3:He_____ ____ ____(放火烧)the houses and hundreds of houses caught fire.
小题4:_____ _______(浏览) magazines to find pictures that you can stick on your poster.
小题5:Trees ______ _____(吸收) carbon dioxide and give out oxygen.
小题6:The report shows that we are making some progress but that we need to ________ ________ ___________(做出更大的努力) .
小题7:His father died, when he was young, and he was______ ______(抚养) by his mother.
小题8:_____ ________(平均) there are twenty boys present every day .
小题9:I _______ ____(以…结束;最终) spending the night at the airport yesterday.
小题10:That will cost you 1,000 dollars _____ ______(总共).