–Is there an express to Beijing tonight?

-- There ______be , but you’d better call the booking office to make sure.’

— Is there an express to Beijing tonight?

   — There ______ be, but you’d better call the booking office to make sure.

   A. can                           B. might                               C. will                                   D. must

–Is there an express to Beijing tonight?
-- There ______be , but you’d better call the booking office to make sure.’

— Is there an express to Beijing tonight?
— There ______ be, but you’d better call the booking office to make sure

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

 –Is there an express to Beijing tonight?

  -- There ______be , but you’d better call the booking office to make sure.’

  A. can   B. might    C. will    D. must