1. Cellulose is indigestible by humans, but herbivores, such as cows and horses, ......... it because they retain it long enough for digestion by microorganisms present in their digestive systems.

2. You .......... all your holiday money on the first day. You will need some for the rest of the week.

3. Using lasers to produce extremely short and repeatable pulses of light, today scientists ....... events happening in time intervals as short as l.000 trillionth of a second.

4. Living cells exist in a variety of shapes; for example, they .......... cube-shaped or flat.

5. We .......... the football match on television yesterday, but we .......... because there was a power cut.

6. Oh no, look at the sign! We .......... here. These spaces are for doctors and emergency patients only.

7. You ............ your children some freedom; otherwise, they will resent you.

8. Its not easy learning Turkish at home. Do you think I ...... an evening course?

9. 1 refused to give my son any money for the Mega Death sweatshirt he wants to buy, but Im sure hell try to get some from his grandmother. Id really rather she ........ him the money, because I dont want him to wear such an awful thing.

10. He .......... safety goggles, but he wasnt land, as a result, the hot steel badly damaged his eyes.