–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.’

— 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.

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

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