---What do you usually do when you are free？ （)

A.who

B.whom

C.that

D.what

A.of

B.which

C.to

A.limitations

B.conditions

C.Restrictions

D.qualifications

A.It'on sale

B.It's a birthday present for you

C.You really need one

D.It looks very good on you

A.I wish to open a savings account

B.What are you doing

C.Do you need any help

D.l have no idea

Doctor: __________

Patient: I am a teacher for a training center.

Doctor: Do you often get tired？

Patient: Yes, sort of.

A. Where do you work？

B. How do you feel now？

C. What is your job？

D. What is your address？

A.know

B.following

C.people

D.zoo