( )(3)My sister is ____ TV. A. in B. on C. at
This is book. A. a B. an C. the
I Lingling. A. am B. is C. are
Are there ______ interesting places ? A.some B.an C.any
They are your ______. A.parent B.parents C.a parent
They are ______ to make a plan. A.go B.to C.going