Why the explosion occurred was ____ the laboratory attendant had been careless.
| A．for | B．because | C．since | D．that |
—I’m going to travel to America. Would you consider telling me about your experiences there?
—______. Let’s discuss it over dinner.
| A．That’s all right | B．By all means | C．Go ahead | D．It just depends |
—I don’t feel like going out. Why don’t we just stay home and watch TV instead?
—_______ You promised to take me out for dinner and to the theatre on my birthday.
| A．Great! | B．Why me? | C．Come on! | D．Not at all. |
The women carrying babies , come in first ,?
| A．will you | B．will they | C．do you | D．don’t you |
In no country other than Britain, it has been said, ____ experience four seasons in the course of a single day.
| A．people can | B．you can | C．can it | D．can one |
They have no idea at all ____.
| A．what he is working on | B．what is he working on |
| C．what did he work on | D．what he is working |