用所给词适当形式填空。
(1)I _________ my homework yesterday.(finish)
(2)She is __________ a letter.(read)
(3)Amy _________ a book last week.(buy)
(4)Sam _________(do not) go to the park yerterday.
(5)Can you _______ high?(jump)
(6)My mother _________to shanghai tomorrow.(go)
(7)He will _________ hamburgers.(eat)
(8)I am going to _________my trousers.(wash)
(9)She_________ got a new toy.(have)
(10)You __________a very good boy.(be)