---Are you coming to Betty’s wedding?
---I’m not sure. I ______ go to Beijing on business that day.
A. must B would C. should D. might
It was early morning in London _____ Prime Minister Cameron arrived to give his speech.
| A．where | B．when | C．before | D．that |
—I've got a bad cold．Can I take two days ____, Mr．Cage?
—Yes, by all means．Take care．
| A．in | B．on | C．away | D．off |
—What do you think of that housewife?
—She is _____ of a good housekeeper, for the children’s room is always a terrible mess.
| A．nobody | B．somebody | C．nothing | D．something |
It is uncertain side effect the medicine will bring about , though about one thousand patients have taken it.
| A．that | B．whether | C．what | D．how |
—We all had a lot of fun at the barbecue yesterday. Pity you weren’t there.
— I really should have gone with you, but I ________ on some remaining problems.
| A．was working | B．would work | C．worked | D．had worked |