— _____ do you have an art lesson?
—Twice a month.
A.How long B.How many C.How often
- _____ any lamps on the table? —No,there aren’t.
A.Have B.Is there C.Are there
Tom often plays _____ soccer on _____ playground.
A.the;the B./;the C.the;/
—How many _____ are there in your class?
—About 63.
A.childs B.childrens C.children
The sign 
means（意思是） “ _____.”
A.No parking B.No U-turn C.No right turn
.Look! The students _____ the classroom.
A.clean B.are cleaning C.are clean
