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a．I found that the factory was pouring waste water into the river a few days ago.
b．Have you ever seen him before?
c．Where have you been?
d．I've written a report about it．
e．The paper factory has been built for 3 years．
f．I've been to a paper factory．
g．Maybe he's gone to a paper factory．
A：Where's Li Hua? Do you know?
B：1
A：What did he do then?
B：I don't know．He'll be back in an hour．(After an hour)
A：Li Hua，2 ndline I called you an hour ago，but you weren't in your office．
C：3
A：What did you do there?
C 4 ndline The river has become very dirty．Lots of fish have died．
A：That's terrible!
C：Do you think“Greener China”can do something?
A：Yes，of course．We can write a report about it to the TV station and the newspaper．
C：You're right．5 ndline Can you read it?
A：Great! Let me read it．
查看习题详情和答案>>| 从下面方框中选择相对应的答语。 | |
| ( )1. Have you ever been to the Summer Palace? ( )2. How much is this pair of trousers? ( )3. How far is it from home? ( )4. How long bave you been leaming Japanese? ( )5. Where is Tom? ( )6. What should I do if my watch is out of style? | |
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—I am not sure. he has gone to Beijing.
B. May be
C. Maybe
D. Must