There ______ be a lot of manatees, but now they ______ endangered animals.[
题型：同步题难度：来源：
| There ______ be a lot of manatees, but now they ______ endangered animals. |
| [ ] |
A. used to, become
B. would, become
C. used to, have become
D. would, have become |
答案
C
|
举一反三
| 用所给单词的适当形式填空。 |
1. We ___(play) football yesterday afternoon.
2. We should keep ___(diary)every day.
3. He invited me ___ (go) to a movie.
4. Do you know the girl ___ (name) Mary?
5. He wants her daughter ___(be) a nurse.
6. Our teachers told us (finish) homework on time. |
—How was your Children"s Daylast year?
—Great! We _____ some books to the Hope School in that village that day. |
| [ ] |
A. are sending
B. sent
C. will send
D. send |
| Yesterday our teacher _____a singer to our class. |
| [ ] |
A. invite
B. to invite
C. invited
D. has invited |
| Last night I _____ a book at home. |
| [ ] |
A. read
B. red
C. readed
D. reading |
| I _____ stay at home yesterday. |
| [ ] |
A. have to
B. has to
C. had to
D. must to |
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