The students will take morning exercise every day, _________ it rains.
| A．except | B．except for | C．except that | D．except when |
Einstein’s Theory of Relativity is so ________that most of us can not understand it.
| A．controversial | B．abstract |
| C．appropriate | D．universal |
Anyone who is in ________of weapons without permission is considered lawbreaking.
| A．command | B．control |
| C．charge | D．possession |
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 |