4 . If you are unsure about what to do next, you _______ as well consult your adviser.

6 . If you attempt to practice yoga,________________________at the beginning,but you’ll grow stronger in the long run.（根据汉语意思完成句子)
当你尝试去练习瑜伽,也许在刚开始时你会感到疲倦,但是从长远来看这让你变得更强壮。

7 . Since you have started the job, you_________as well finish it. （用单词适当形式填空）

8 . —I can’t give up smoking, doctor.
—For your health, I’m afraid you     .

A．may

B．can

C．have to

9 . 根据句意，用适当的情态动词、虚拟语气填空
1. It is raining heavily outside. You ____________ as well stay here for the night.
2. But for the timely help of the PLA man that day, you ____________(kill) in the car crash.
3. I’m very busy with my Mid-term examination, or I __________ (go) to see the movie with you.
4. While taking exams, a student _________ never be too careful to get high grades.
5. — Tom has arrived. _________ he come in to see you?     —Yes, of course. Call him in.
6. Why are you here? It’s class time and you __________ be in the classroom now.
7. Had you studied harder at college, you __________(get) a better job now.
8. You _________(not) sit in this part. It’s for women and children only.
9. — Let’s go to see a film.   — Why today. I’d rather we __________ (see) a film tomorrow.
10. The old man treated the boy as if he _________ his own son.

10 . When he was there, he _______ go to that tea house at the corner when he was free everyday.

A．had better

B．might

C．would

D．should