,myunclearrived---shanghailastmonday.A,toB,inC,atlet'sblow----theseballoons.A,hardB,outC,uptheseboysarerunning----thebigtree.A.fromB,aroundC,witheveryoneintheclass----anicepiceture.A.hasB,haveC,h

　　,myunclearrived---shanghailastmonday. A,to B,in C,at

　　let'sblow----theseballoons. A,hard B,out C,up

　　theseboysarerunning----thebigtree. A.from B,around C,with

　　everyoneintheclass----anicepiceture. A. has B,have C,had

　　thereare----books----children. A,many/than B,much/than C,more/than

　　-----thetrafficlightsareyellow.wemustwait A,which B,when C,what

　　ioftenbrushmyteethbefore----tobed A,going B,go C,goes

　　wemustn'ttalk---eachotherinclass. A,with B,about C,to