If you _______ go, at least wait until the storm is over. (2011 .辽宁）
| A．can |
| B．may |
| C．must |
| D．will |
All the students are looking forward to the first ________to take the College Entrance Examinations.
| A．measure | B．attempt |
| C．purpose | D．desire |
Bob would have helped us yesterday, but he-_______
| A．was busy | B．is busy | C．had been busy. | D．will be busy |
George is going to talk about the geography of his country, but I’d rather he_______ more on its culture.
| A．focus | B．focused | C．would focus | D．had focused |
Fever is a ________of many illnesses. So I suggest you take it seriously and see a doctor as soon as possible.
| A．message | B．symptom |
| C．label | D．clue |
Had I known about this computer program, a huge amount of time and energy .
| A．would have been saved | B．had been saved |
| C．will be saved | D．was saved |