Sandy,the glass is broken.How did that happen?
Sorry,Mum.I don't know.I outside.( )
A.playB.was playing
C.have playedD.am playing
We should protect the earth because it is ______ home.( )
A.weB.usC.ourD.ours
Work hard, _______ you'll have a big success.( )
A.orB.butC.andD.yet
The Yangko Dance is ________ traditional Chinese folk dance created by the farmers.( )
A.aB.anC.theD./
How is your English going?
.I can read pretty well and my writing has improved.( )
A.Not badB.Not yet
C.Not at allD.Not any more
Linda was busy when I went to see her yesterday. She for an exam.( )
A.will studyB.was studying
C.has studiedD.is studying