1.Therewasatractor_____(work)andsomecows_____(eat)grassonthefarm.

　　2.Look!There_______(come)theNo.7bus.

　　3.There_______(be)sheepandgoatsonthehillyesterdaymorning.

　　4.Theremust_______(be)somebodyinthecornerbecausetherewassomething_____(move)quickly.

　　5.There_______(be)awriterandsingerinourschoollastweek.

　　6.There_______(be)awriterandtwosingersinourschoollastweek.

　　7._______there_______(be)anexcitingconcertintowntomorrow?

　　8.There________(be)alotofchangesinmyhometowninthelasttwoyears.

　　9.Oncethere_______(live)somehard-workingpeopleintheforest.

　　10.______there________(stand)astatue(塑像)bythesea?

　　Answers:

　　1,working,eating2,comes3,were4,be,moving5,was6,was

　　7,Willbe/Isgoingtobe8,havebeen9,lived10,Didstand