If the economy get worse, we shall have to (tightly) ______ our belts.

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问题 If the economy get worse, we shall have to (tightly) ______ our belts.

选项

答案tighten

解析如果经济更糟糕的话，我们要勒紧裤带了。本题考查词性变换，题中to do sth. 为动词不定式，所以要把tightly，变成tighten。

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大学英语三级B级

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