—It smells terrible. What has happened here?
—Look, there is much waste gas _____ from the chemical factory.
A.pour B.pouring D.pours
——I’m really sorry to have broken your coffee cup.
——________.
| A．Good idea. | B．That’s all right. | C．I don’t think so. | D．You are welcome. |
——I don’t know if he ________ tomorrow?
——If it ________ , he will come.
| A．will come; won’t rain | B．will come; doesn’t rain |
| C．comes; doesn’t rain | D．comes; won’t rain |
——We can use QQ to chat with each other on the Internet.
——Really? Will you please show me ________ ?
| A．how to use it | B．what to use it |
| C．how can I use it | D．what can I use it |
——What do you usually do in your free time?
—— I enjoy reading in the library ________ has many good books.
| A．when | B．who | C．which | D．what |
——Susan has never been to Beijing, ________?
——________, she went there with her parents last month.
| A．did she; No, she didn’t | B．didn’t she; Yes, she did. |
| C．has she; Yes, she has. | D．hasn’t she; No. she hasn’t. |