1. 用方框中所给短语的适当形式填空。

take place, come back from, have been to, have gone to, by the way

1. （1） — Where's Mr. Wang? I can't find him anywhere.
   

   — He Shanghai. He will be back tomorrow.

3. （2） Great changes in our hometown, I can't believe my eyes.
   

5. （3） — Hi, Jenny! Where have you been in the summer holiday?

   — I many places of interest in Beijing.

7. （4） — Hello, Sally! Did you have a good summer holiday?

   — Yes. What about you?

   — Not bad. , where is Jane?

   — Sorry, I don't know.

9. （5） My uncle the USA. We met him at the airport yesterday.