Canada has vast areas of wilderness, from the Arctic north, _______ average winter temperatures are usually -20 0C, to the border with the USA in the south, _______ is said to be the longest border in the world not defended.
| A．which, where | B．whose, which | C．where, where | D．where, which |
．（江苏卷34）. 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 |
.(江西卷23). I have told you the truth I keep repeating it?
| A．Must | B．Can | C．May | D．Will |
.(辽宁卷26). Doctors say that exercise is important for health, but it _______ be regular exercise.
| A．can | B．will | C．must | D．may |
. I_______ have watched that movie —it’ll give me horrible dreams.
| A．shouldn’t | B．needn’t | C．couldn’t | D．mustn’t |
(陕西卷23). ----May I take this book out of the reading room?
----No, you . You read it in here.
| A．mightn`t | B．won’t | C．need’t | D．mustn`t |