--Must I go out for a walk now?

--No, you         ．

A．mustn't             B．can't               C．needn't             D．may not

When he opened the door, he saw a man standing with a hat in his had． “How do you do?”said the man.“Can you come at once to a place out of town? It's quite far but you have a car and I can show you the way.”“Certainly,”said the doctor. “I'm quite ready. I can come at once.”After a few minutes the car was standing at the door, the man got into the doctor's car,and they drove off.

They drove on for a long time. Then the man sad．“Here you are. This is my home. Now I can pay you and you can go back to town.”“I must see the patient (病人) ,”the doctor sad．“How can I go back without seeing the patient?” “There is no patient,”explained the man.“Nobody is ill. I live here, you see, and one must get home from a town, mustn't he? There are no taxi this time of the night. But a doctor often makes night calls, so excuse me. Here is your money. Thank you,

doctor. Good night.”

1．The doctor ________ when the doorbell started to ring. (　)

A．was sleeping upstairs

B．was sleeping downstairs

C．was working upstairs

D．was working downstairs

2．The man asked the doctor ________. (　)

A．to go out for a walk with him

B．to go to a place out of town

C．to see a patient

D．to go his house

3．They left ________. (　)

A．on foot

B．by bike

C．at once

D．after a few minutes

4．What the man wanted to do was only ________. (　)

A．to fool the doctor

B．to give the doctor money

C．to get home in the doctor's car

D．to play a joke(開(kāi)玩笑) on the doctor

5．The doctor would be ________ when he heard the man's words. (　)

A．happy

B．angry

C．sad

D．sorry