It was not until the subprime loan crisis(次贷危机) ____ great damage to the American financial system that Americans ____ the severity of the situation.
| A．caused, realized | B．had caused, realized |
| C．caused, had realized | D．was causing, had realized |
—___John come here tonight?
—I’m not sure, but he ______ stay at home.
| A．May, might | B．Can, must | C．Must, might | D．Can, migh |
When he was there, he ____ go to that coffee shop at he street corner after work every day.
| A．would | B．should | C．had better | D．might |
—How about paying a visit to Mr. Richardson, our former history teacher?
—Good idea. I will e-mail him today so he ___ know ___ to expect us.
| A．may,when | B．would, why | C．will, how | D．shall, why |
You _____scold such a pupil who always keeps silent so seriously that
You_____hurt him.
| A．should; can | B．may; will | C．mustn’t ; may | D．can’t must |
_________, they had no chance of winning the war.
| A．As they fought bravely | B．Bravely though they fought |
| C．Brave as they fought | D．Now that they fought bravely |