在虚拟语气中,什么时候用would＋动词原形,什么时候用should＋动词原形

Many students _________ take tests. A: would rather not B: would rather not to C: would prefer not to D: would rather to not

If you ______ with George earlier, you _____ so angry now. A: talked; would not be B: had talked; would not be C: would talk; would not be D: had talked; would not have been

Without your timely help, we __________. A: would not succeed B: would succeed C: would have succeeded D: would not have succeeded

This would solve the problem. That's how the problem_______ solved. A: would been B: would be C: would have been D: had been

I____the operation unless it is absolutely necessary. A: rather would not have B: would rather not have C: would rather D: would not rather had

They ______ nod to each other when they met, and now and then they ______ exchange a word or two. A: would, used to B: would, would C: used to, used to D: used to, would

According to the passage, if all the different nationalities behave exactly alike, what would the world become? A: It would become interesting B: It would become diversified C: It would become convenient D: It would become dull

He added, "I _____ help earlier in the morning than later in the afternoon." (preference) A: would better B: would like C: would have D: would rather

What would the hostages do after they were freed（） A: They would go to their working place. B: They would return to their native countries. C: They would be received by officials from the government. D: They would continue to work for the Royal Dutch Shell.