I often ________ dishes after supper in summer and winter vacation.
A.wash B.washed C.am washing D.have washed
It is raining heavily, ________ we have our P.E. class in the classroom.
A.for B.so C.but D.or
My grandpa ________ chess with my uncle when we visited him.
A.plays B.played C.is playing D.was playing
— Mum, ________ I stay at home all day?
— No, you needn't.
A.must B.should C.need D.can
—________ do you study during the special time?
— At home.
A.When B.Where C.How D.Why
Lots of doctors and nurses came back ________ Beijing in March.
A.on B.in C.to D.of
