一、选用方框中的单词或词块补全短文。
already last week so far yesterday yet
I like reading. I've read over twenty books 1. . Science fiction is my favourite. I borrowed a sci-fi book from the library 2. . My friend Amy loves this book too. So she came to my house and we read together 3. . We haven't finished this book 4. . But we have 5. known its main story. We all think it's an exciting novel.

1. so far 2. last week 3. yesterday 4. yet 5. already

二、用括号内所给词的适当形式填空。
1. I can't get into my house now because I my keys. (lose)
2. Mary her grandparents three days ago. (visit)
3. I that film yet. What's it about? (not see)
4. Jack in China for ten years. (live)
5. They their homework just now. (finish)

1. (have) lost 2. visited 3. haven’t seen 4. has lived 5. finished