When the teacher came in , the students _______ about the film.
| A．are talking | B．talked |
| C．were talking | D．talk |
—I hope to make decisions by myself.
—OK. But remember _____ you do, you should think about the results.
| A．whenever | B．however |
| C．whatever | D．wherever |
—Can I have a day off tomorrow, Mr. Johnson?
—_______. I can’t do it by myself without you.
| A．Forget it | B．I’m afraid so |
| C．It depends | D．Of course |
—Have all the students known that our class will visit the factory this afternoon?
—Yes. Every student______ about it.
| A．tells | B．told |
| C．has told | D．was told |
--Sorry, I overslept. I forgot to set the alarm.
--Your clock ________. Perhaps you should buy a new one.
| A．never worked | B．never works |
| C．had never worked | D．is never working |
--There is somebody knocking at the door. Who________ it be?
--I’m not sure. It ________ be a postman.
| A．may; must | B．will; can |
| C．can ; may | D．may ; will |