用所给单词的适当形式填充。8%
(1)Are those _________( girl ) uncles postmen or policemen?
(2)__________( there be ) a library in your school two years ago.
(3)My grandmother lives on the _________( five ) floor.
(4)Our cars are new. ________( they ) are old.
(5)On Sundays the boys often __________( watch ) television.
(6)Where the bird ( fly )three days ago? To the south.
(7)Peter can________(swim) very well. Look, he ____________( swim ) in the pool.