1—How old are you?
—I'm nine ____________ old.
A.year B.years C.year's
1—When is Tree Planting Day?
—It's ____________ March.
A.in B.on C.at
1What events do you have ____________ your school?
A.for B.on C.at
1—____________ is that dress?
—Thirty dollars.
A.When B.How much C.What
1—When were you born?
—____________.
A.On March nineth B.In May 5 C.On February fifteenth
1His birthday ____________ in June.
A.am B.is C.are
