If you sleep less than 7 hours a day, you are more to catch a cold.
| A．possible | B．certainly | C．probable | D．likely |
The time is not far away when mobile phones _____ widespread in China’s vast country –side.
| A．will become | B．become | C．shall become | D．have become |
let’s go out now. It _____ any more.
| A．didn’t rain | B．doesn’t rain | C．won’t rain | D．isn’t raining |
The two friends _____ on the Internet for three hours, and they would go on till the next morning.
| A．had been chatting | B．had chatted | C．were chatting | D．has been chatting |
— It is around 100 years, known to us all, ______ the first modern Olympic Games was held.
— It really is. But were _____ ?
| A．that; was that | B．since; was it | C．after; is that | D．when; is it |
Mrs. White became a teacher in 1985. She _____ for twenty years by next summer.
| A．will teach | B．would have taught | C．has been teaching | D．will have been teaching |