1.I (误解) your signature and thought the letter was from someone else.
2.I believe that each of us can (贡献) to the future of the world.
3.The salesgirl said she would (替换) the TV set if we were not satisfied.
4.We are often attracted to somebody first by their physical .
5.This girl is (使有区别) from her classmates by her uncommon willpower.
6.The radio of five tubes can receive various signals.
7.Every time we see the five-star red flag being , we always feel excited and proud.
8.Mr. Brown says planners must bear such (差别)in mind.
9.It seemed like a good idea before we started, but practice it was a disaster.
10. For logistical and political reasons, scientists have only recently been able to gain access
the area.
11.People usually eat mooncakes which for a happy reunion.
