Flying kites, ______ some researchers point out, can not only bring about joy to us, but also promote our physical and mental health.
| A．which | B．what | C．as | D．where |
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We tried to find a table for seven，hut they were all .
| A．given away | B．kept away | C．taken up | D．used up |
a certain doubt among the people as to the practical value of the project.
| A． | It has | B． | They have | C． | It remains | D． | There remains |
China has got a good ______for fighting against the flu with its careful and smooth organization.
| A．reputation | B．influence | C．impression | D．knowledge |
Many children，______ parents are away working in big cities，are taken good care of in the village.
| A．their | B．whose | C．of them | D．with whom |
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