—There ______ be anybody in the classroom, for the lights are off.
—I’ll go and check.
| A．mustn’t | B．won’t | C．needn’t | D．can’t |
It's nearly time for the meeting to start. The manager ________ be here soon.
| A．could | B．should |
| C．need | D．would |
--Is Professer Smith giving the speech today?
--It ________ be him. He is abroad right now.
| A．mustn't | B．needn't |
| C．won't | D．can't |
A left-luggage office is a place where bags ________ be left for a short time, especially at a railway station.
| A．should | B．can |
| C．must | D．will |
One ought ________ for what one hasn't done.
| A．not to be punished | B．to not be puished |
| C．to not punish | D．not be punished |
All the employees except the manager ________ to work online at home.
| A．encourages | B．encourage |
| C．is encouraged | D．are encouraged |