4．
读下列短文，选择正确答案。 Today was hot. I went to the farm with my parents. There was a river near the farm.
I went to the river with my dog .We ran and played . Suddenly I dropped（掉进）into the river ,"Help , Help„„"My dog jumped into（跳进）the river and swam to me , Ten minutes later ,
I was saved（救）. I was grateful to him. We are good friends.
