填空题

Every exercise in the book (design)()to build up your reasoning skills.

【参考答案】

is/was designed
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What does the man mean().

A．He has bought a sweater in that shop.
B．The sweaters are ugly.
C．She can’t buy a suitable sweater in that shop.
D．The shop is close
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What percentage do the poor countries account for in the world It’s estimated that () countries of the world are very poor.
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