It seems that living green is _______ easy and affordable. A small step makes a big difference.
| A．exactly | B．fortunately | C．surprisingly | D．hardly |
— Would you please give an example to show how useful a computer is?
— Sure. __________ people get __________ information from it every day.
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Don’t ___that all these who get good grades at school will be surely successful in the future.
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Mary, you can’t imagine what great difficulty I’ve had _____ him with the project.
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The teacher demanded that he __________ his homework at once.
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The old man had a son and two daughters, _____treated her well, ____made her sad.
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