Meanwhile, ________ Wal-Mart succeed at shrinking its environmental footprint and lowering prices for green products, both the planet and the company will profit．
| A．would | B．could | C．should | D．might |
---Alice, you didn’t come to Tim’s birthday last night.
---I wished I had, but my parents just simply___ not let me out so late at night.
| A．might | B．should |
| C．would | D．could |
—The similarities between social networks are striking.
—That ________ come as no surprise，because they are all products of the Internet.
| A．should | B．shall | C．may | D．must |
According to the newly-made traffic regulation, whoever drives through red light be fined at least 200 dollars．
| A．shall | B．may | C．would | D．should |
I''m surprised that he ____ to help me when I needed his help .
| A．should refuse | B．would have refused |
| C．should have refused | D．may have refused |
The little child ________ go out alone at night, so he ________ walk in the dark that night.
| A．doesn't dare to; dared not to | B．daren't to; didn't dare to |
| C．daren't; dared not | D．doesn't dare to; dare not |
In general，she is devoted to her studies，but she________be little naughty at times.
| A．will | B．can | C．should | D．would |
You ________ in person; a telephone would have been enough.
| A．couldn’t have come | B．needn’t have come |
| C．shouldn’t have come | D．mustn’t have come |
The door ________ open, no matter how hard she pushed.
| A．shouldn’t | B．couldn’t | C．wouldn’t | D．mightn’t |
–When can I get the result of the test, sir?
–You ____ have it next Friday.
| A．could | B．shall | C．must | D．may |
—How is the debate of your essay?
—It ____ well, but I ____one of the key points.
| A．might work; hadn’t forgot | B．needn’t have worked; forgot |
| C．could have worked; forgot | D．would work; hadn’t forgot |
–Carla _______ go to that historical museum after school when she was a teenager.
--No wonder she is so familiar with it.
| A．could | B．should | C．might | D．would |
I was really anxious about you. You____ home without a word.
| A．mustn’t leave | B．shouldn’t have left | C．couldn’t have left | D．needn’t leave |
My sister met him at the street yesterday afternoon, so he __________ your lecture.
| A．shouldn’t have attended | B．couldn’t have attended |
| C．mustn’t have attended | D．needn’t have attended |
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