找出句子中错误的一项并改正。
( )(1)Howoldisyou ?
A B C 改正___________
( )(2)Myamten.
A B C 改正___________
( )(3)Whois hisname ?
A B C 改正____________
( )(4)Dickhavea dog .
A B C 改正___________
( )(5)Where do yourcome from?
A B C 改正___________
( )(6)Lethavefishtogether .
A B C 改正___________
( )(7)Wehas newfriends.
A B C 改正___________
( )(8)Hello,boysandgirl.
A B C 改正___________