用to,be或tohave的适当形式填空
1.Mymother_____someapples.Oneofthem____red.
2.Mary_____myteacher.She_____English.
3.Tom_____apupil.He____Jim.
4.This_____yourruler._______Iright?
5.You____abigpear.It_____sweet.
6.Theirclassroom______fourwindows.Thewindows_____clean.