Ⅰ. 单句语法填空
1. Don’t bother him, for the operator is busy downloading (download) some software in great need now.
2. This new virus (virus) has made his computer out of order, so he has to have it repaired.
3. The coach made a signal (signal) to his team to move quickly during the football match.
4. The twins look alike but have very different characters (character).
5. The cleaner was mopping (mop) the floor with a mop when the manager entered.
6. The typist is good at typing papers with computers. (type)
7. With the help of an electronic (electricity) device (设备) the speaker’s voice can be heard clearly.
8. The sudden appearance (appear) of the teacher made the students become quiet at once.
9. His dream of being a university student is likely to come true (truly) in the near future.
10. It is crazy (crazily) of you to buy the car at such a high price.