1 . You can rely on _________that they will finish their work ahead of time.(用适当的词填空)

2 . I’d appreciate ___________ if you keep silent. (用适当的词填空)

3 . I would appreciate ________ if you could keep silent. (用适当的词填空)

4 . It suddenly occurred to him _____ he had left his keys in the office.

5 . It is no use ________ (tell) him the witty words , because he never smiles. (所给词的适当形式填空）

6 . 单句语法填空: 情态动词和虚拟语气&主谓一致&词法
1. If you want to study in foreign countries, a good knowledge of the culture is regarded as ___________must for you to live happily.
2. It is said that Jim has got a good job in a big company, and he is paid by___________week.
3. People hate___________when you don’t say what you mean.
4. Helping others is a habit, ___________that you can learn at an early age.
5. ----The film is, I have to say, not a bit interesting.
----Why? It’s ___________ (interesting) than the films I have ever seen.
6. Twenty years ___________(have) passed since he left his hometown.
7. He is the only one of the students who___________(be) a winner of scholarship for three years.
8. ---- Why are your eyes so red? You ____________have slept well last night.
---- Yeah, I stayed up late writing a report.
9. If the new safety system ____________(put) to use, the accident would never have happened.
10. It’s high time that he ___________(send) to the hospital.