用there be或have的适当形式完成句子

题目

用there be或have的适当形式完成句子
_____some trees in the park.
my father and mother____a son.
A frog____four legs.
_____four people in my family.
tom_____a new book,nut i don't____one.
______a cup on the table

答案

1.there are
2.have
3.has
4.there are
5.has have
6.there is
(由于着急,没有正确使用大小写,望楼主原谅!）