When the teacher ______ how to do the experiment, the bell rang.
| A．explains | B．will explain | C．was explaining | D．is explaining |
---Could you tell me __________?
---Yes. To take back my dictionary
| A．Why did you come here | B．When do you come here |
| C．Why you came here | D．When you come here |
There is _________ with your son’s ears. So don’t worry about him.
| A．nothing serious | B．something serious |
| C．serious nothing | D．anything serious |
---David, why are you so excited?
---My father has made a ______that he will take me to Tibet next month..
| A．face | B．promise | C．mistake | D．joke |
---How long have you lived in the new flat?
---__________ 2010.
| A．In | B．After | C．Since | D．Before |
---Let’s go fishing if it ________this weekend.
---But nobody knows if it ___________.
| A．is fine; will rain | B．will be fine; rains |
| C．is fine; rains | D．will be fine ;will rain |