9. With the assistance of his teacher,Mike        (成功) winning this speech contest.

8. Only by        (除掉) your bad habits can you become popular with your workmates.

7. That famous professor turned up at our speech contest,which was    (出乎意料) .

6. It is a good tradition as well as an obligation for everyone to visit their parents        (不时地) .

5. These vases are fragile. You must handle them        (非常谨慎) .

5. The answers to most of the brain teasers (脑筋急转弯) are beyond e       .

4. The Water        (立方) has become another place of interest in Beijing.

3. Whenever an opportunity arises,you should try to s        it but not lose it.

2. The cruel German Nazis showed no m        to the Jews in the war.

1. You'd better apply for a p        so as to protect your invention or design.