| 用括号内所给动词的适当形式填空。 |
| 1. I'll tell our monitor the good news as soon as he ________ (come) back to school. 2. It was a pity that you ________ (not attend) the meeting last Friday afternoon. 3. We should think about what we can do ________ (keep) animals and plants from becoming endangered. 4. On May 12, 2008, Sichuan ________ (hit) by a strong earthquake which killed many people and destroyed many buildings. 5. Playing computer games is delightful, but ________ (spend) too much time on it may do harm. 6. Today, to hold the Olympic Games ________(consider) as a rich prize for a country. 7. Many changes ________ (take) place in our daily life since the invention of the computer. 8. The policeman said that he ________ (see) a Young Pioneer help an old woman cross the road the day before yesterday. 9. Our maths teacher ________ (prepare) the new lesson with other teachers in the office from 2 to 4 yesterday afternoon. 10. The first step towards ________ (protect) the environment is to try to throw away less rubbish. |