Many students in our class are ______ of the dark, butI am _____ in it.

There is no possibility, I guess, _____our exam will be put off.

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.

It is amazing that an old lady of more than eighty ________ to live without food and water for nearly two weeks after a terrible earthquake and she was saved in the end.

I will go to the science palace to morrow _____it doesn’t rain heavily