问题

ng made of man-made materials has advantage over_________ made of natural ones like cotton, wool or silk.

A:one
B:it
C:that
D:the ones

正确答案是：

同类题型

There is____with my computer. Can you help me mend(修理) it

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A new study shows older men alack of deep sleep are nearly twice as likely to develop high blood pressure.

My father, who is strict ___ his work, is quite strict ___ me.

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