找出句子中错误的一项并改正。
( )(1)Is thisyoubag ?
A B C 改正__________.
( )(2)Who storybookisthis?
A B C 改正 .
( )(3)Thatsoundsweet .
A B C 改正___________.
( )(4)Yes,itisn’t .
A B C 改正___________.
( )(5)Hello,boysandgirl.
A B C 改正___________.
( )(6)Thatismeruler .
A B C 改正___________.
( )(7)Where do yourcome from ?
A B C 改正___________.