72（） A: important B: necessary C: possible D: impossible

It’s ____for anyone to finish the work within such a short time. A: possible B: impossible C: possiblely D: inpossible

Because of the limited time, it is_______ to finish this difficult task. A: possible B: possibility C: impossible D: possibly

It couldn't be used then. It wasn't ______ to use it. A: able B: allowed C: impossible D: possible

It’s________to persuade him to give up smoking.He’s very stubborn. A: possible B: possibly C: impossible D: impossibility

Obama believed that his complex personal experiences and background were ________ in any other country. A: possible B: impossible C: desirable D: undesirable

—He got an A in last week's math test. <br/>—It is ______!His math is always the worst. A: possible B: simple C: impossible D: probably

Ecrivezlecontrairedesmotsdonnésavecunpréfixe(10％)<br/>Parexemple：possible____impossible<br/><br/>poli

It is impossible to predict what type of holiday people will be taking in 100 years’ time. It is possible, __________, that space travel will be a realistic option in the future. _________, it would completely transform our traditional view of holiday.

The harder I tried, ________ it seemed to solve that problem. ( ). A: the more impossible B: most impossible C: the impossible D: the most impossible