(   )1. A. He is a doctor.            B. He is very happy.             C. He has a toothache.

(   )2. A. Yes, it is delicious.             B. Yes, I do.                        C. No , I’m not.

(   )3. A. You’re welcome.         B. I am sorry to hear that.     C. She shouldn’t eat anything.

(   )4. A. About three hours ago.        B. Every day                C. Next week

(   )5. A. She should see a dentist.      B. She should eat an apple.

C. She should lie down and rest.

(   )6. A. You should get up early.            B. You should study hard.

C. You should stop studying and listen to music.