Question

--- Good morning. I've got an appointment with Ms King in her office.
--- Morning. You ______be Mr Jones. This way, please.

1. A.
   will
2. B.
   must
3. C.
   can
4. D.
   might

Answer 1

B
情态动词的用法。will将要，表意愿；must 必须；应该，表猜测时，用于肯定句，意为“一定”，可能性较大；can能，会，表猜测时，常用于否定句和疑问句；might 可能，表猜测时，可能小。依据句意“你一定是琼斯先生吧。”，故选B。