I’m sorry, but I didn’t mean to keep you _____ here for a long time. Can you forgive me?
| A．wait | B．waiting | C．to wait | D．waited |
We must keep our room clean , for dirt and disease go , you know .
| A．hand in hand | B．step by step | C．from time to time | D．one after another |
If we go on using energy so wastefully , are that our oil wells will be dried up before new energy sources can be found to replace oil .
| A．chances | B．difficulties | C．questions | D．problems |
—I’ll come to see your performance at 9:00 tomorrow evening .
—I’m sorry , by then my performance and I reporters in the meeting room.
| A．will end ; will meet | B．will have ended ;will be meeting |
| C．will be ended ; am going to meet | D．is to end ; will meet |
—We have decided to go for a picnic tomorrow , Dick . Are you going with us ?
—Well , you are going , so will I .
| A．when | B．since | C．if | D．while |
—I’m interested in that beautiful MP3 player . What do you charge for it ?
—$125.
— , but I can’t afford it .
| A．It’s worth that | B．It’s really nice |
| C．Please lower the price | D．That’s too dear |