现在完成时练习
I.用所给动词的适当形式填空。
1. I
　　　already
　　　(see) the film. I
　　　(see) it last week.
2.—　　　he　　　(finish) his work today?
　　—Not yet.
4.—　　　you ever
　　　(eat ) chocolate sundaes
（圣代）
?　　—No, never.
5.　My father
　　　just
　　　(come) back from work. He is tired now.
7.　Shanghai
　　　(be) a small town hundreds of years ago.
Now it
　　　(become) a large city.
II.句型转换
(每空一词
)。1. I have been to Macau before. (
改为否定句
)　　I　　　　　　been to Macau before.
2. I bought a new bike just now. (
用just
改写)　　I　　　just
　　　a new  ...