1.Studentsneedtolearnhowto_____theirwork.(organization)
2.LittleTomwentoutinahurryaftersupper.Hewantedtoplayvideogames.(合并成一句)
LittleTomwentoutinahurry____________videogamesaftersupper.
3.Theoldmenalwayspreventspeople______theHuangpuRiver.
A.topolluteB.frompollutionC.pollutedD.formpolluting
4.Ifyoutravelinspace,youwillfindthatyourbody______.
A.weighlessB.weighmoreC.hasweightD.hasnoweight
(p.s.最好能说一下理由,没有也没关系)