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10. I wonder why she refused my invitation.

9. Do you remember the teacher who taught us English at middle school?

8. He spoke as if he understood what he was talking about.

7. That is where Lu Xun used to live.

6. The news that you told me yesterday was really disappointing.

5. The news that they had won the game soon spread over the whole school.

4. How he persuaded the manager to change the plan is interesting to us all.

3. It was snowing when he arrived at the station.

2. The truth that the earth turn around the sun is known to all.

1. China is no longer what it used to be.