Even a drop of water ______because it is so important to all the living things.
| A．must waste | B．must be wasted |
| C．mustn’t waste | D．mustn’t be wasted |
相关试题
—______ is “CHINA NEWS” shown on CCTV-4? —Every day.
| A．How often | B．How many times | C．How long | D．How soon |
—Peter, what have done with the poor dog? He is wet through!
—Not ______, mum! I never do the same thing a second time.
| A．I | B．me | C．him | D．he |
—_____ kind girl Nancy is! —Yes, she is always ready to help others.
| A．What | B．What a | C．How | D．Ho w a |
Can you imagine what life will be like in ______ time?
| A．50 years’ | B．50 year’s | C．50-years’ | D．50-years |
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