1. Your chances of success in an examination .........if you .........the Course work thoroughly.

2. When he ......... an essay in on time for once, his professor ......... him a look of surprise.

3. You .......... plenty of time in case the bus ........, otherwise, youll risk missing your ferry.

4. Its true that happiness .......... with money, but some money .......... life easier.

5. Cells ......... for the first time by the English scientist Robert Hooke, who, in 1665, ......... a book about his findings.

6. Portland cement, when it ........ with water, ........ a paste that binds sand, gravel and stone into a rock-like mass called concrete.

7. The twentieth century, now nearing its end, .......... the century when mankind ......... to realise that the Earths resources are limited.

8. Up to now, the equipment ........... regularly, but from now on, we .......... it before every outing.

9. Judging from the speed of mechanization, it .......... that very few things in the world .......... by hand in the twenty-first century.

10. Considering the meager resources we ......... with for the project, we .......... a wonderful job.