— 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 |
All documents are printed in the two official languages；________，English and French.
| A．in a word | B．or else |
| C．that is | D．for another |
It is most instructive lecture that I _______ since I came to this school.
| A．attended | B．had attended | C．am attending | D．have attended |
The shocking news made me realizeterrible problems we would face.
| A．what | B．how | C．that | D．why |
—That must have been a long trip.
—Yeah, it________us a whole week to get there.
| A．takes | B．has taken | C．took | D．was taking |
Maybe if I________ science, and not literature then, I would be able to give you more help.
| A．studied | B．would study | C．had studied | D．was studying |