The earth（地球） is our home, and we must _____ it clean.
A. change B. sweep C. keep D. stay
–What would you like to drink? --______, please.
A. Some bread B. A bowl of rice
C. Some waters D. A cup of tea
The children are playing a game _______ "hide and seek".
A. called B. calling
C. to call D. calls
Today is Halloween. I ____ as a ghost, and of course I _____ a special costume.
A .dress up; in B. wear; dress
C. wear; dress up D. dress up; wear
There are _______minutes in _______hour.
A. sixty; a B. sixty; an
C. sixteen; a D. sixteen; an
We often go to the zoo _________ the morning _______ June 1.
A. in; on B. in; of
C. on; of D. on; on
