I. Supply the correct form of the verbs in brackets. (10 points).
1. We learn how (use) ________ a computer in our computer science class.
2. Most of the birds (build)________ their nest in spring.
3. Our class (hold) _______ an English Evening Party next Saturday. Would you like to join?
4. I hope that you (have) ________ a good time tomorrow.
5. My uncle (not go out) ________ since he bought a new computer.
6. There (be) ________ no rain here for two months.
7. Thanks for (invite) ________ me to the birthday party.
8. When we were kids, we (not understand) ________ the importance of choosing a career.
9. I don’t like ( laugh) ____________ at by other peolpe.
10. I (know)________the answer, I would tell you right away.