We were two hours late that day, which was due to the _________.
| A．crowded traffic | B．crowded traffics | C．busy traffic | D．busy traffics |
— Will Mr Wang offer us a hand?
— He ____ be glad to. He never refused our request.
| A．can | B．must | C．may | D．should |
— When can I come for the photos? I need them tomorrow afternoon.
— They ____ be ready by 12：00.
| A．can | B．should | C．might | D．need |
It’s nearly seven o’clock. Jack _____ be here at any moment.
| A．must | B．need | C．should | D．can |
They must have finished the work, ______?
| A．mustn’t they | B．haven’t they | C．hadn’t they | D．didn’t they |
－Is there a fog in the evening?
－There ______ be. I’ll make a phone call to find it out.
| A．must | B．would | C．will | D．might |