1£®You must seize ________ the opportunity of being promoted.

2£®Community police have made a contribution ________ crime prevention.

3£®He has been accustomed________ living alone on that lonely island.

4£®They made ________ a little poem and wrote it on the card.

5£®________ the basis________ our sales forecasts we may begin to make a profit next year.

6£®________tradition  women get married in long white dresses.

7£®You can trust him£»he is always punctual ________ appointments.

8£®He is stubborn and never submits ________ others' orders.

9£®Smoking can lead ________ lung cancer.

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