一、单项选择()1
—Doyouoftencleanyourclassroom
Ourclassroom___everyday
cleanB
cleansC
iscleanedD
iscleaning()2
—DidyougotoJack’sbirthdayparty
—No,I____
amnotinvitedB
wasn’tinvitedC
haven’tinvitedD
didn’tinvite()3
Twenty—year—oldsshouldnot____todriveinChina
allowB
beallowC
beallowedD
allowed
ThebookBusiness@theSpeedofThought___in1999
writesB
iswrittenC
wroteD
waswritten
Treesandflowers__everyyeartomakeourcountrymorebeautiful
isplantedB
wasplantedC
areplantedD
wereplanted
Theearthisourhome
It___well
mustbeprotectedB
shouldprotectC
needprotectD
shouldprotected
___anewlibrary____inyourschoollastyear
Is;builtB
Was;builtC
Does;builtD
Did;built
Cotten____inthesoutheastofChina
isgrownB
aregrownC
growsD
()9—When___thiskindofcomputer___
—Lastyear
did;useB