— David, look at the man in white over there. Can you tell me _____ ?
—He is a doctor.
A. who is he B. who he is C. what he is
I often watch TV on Sunday evening, _____ sometimes I read books.
A. then B. but C. and
—Can you follow me?
—Sorry, I can follow you _____ . You speak too fast.
A. easily B. clearly C. hardly
The green tea _____ grows in South China is quite popular in China.
A. which B. when C. where
— Now, where is my school bag?
— _______! We’ll be late for school.
A. Don’t worry B. Just a minute C. Come on
— Must I finish the work today, Dad?
— No, you _____ . You can finish it tomorrow
A. mustn’t B. can’t C. needn’t
