At the beginning of this year, the company______several new policies designed to improve the quality of the products.

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问题 At the beginning of this year, the company______several new policies designed to improve the quality of the products.

选项 A、implementing
B、implementation
C、implement
D、implemented

答案D

解析 单词形态:动词1.空格内缺少动词,(A)和(B)选项不是动词,故排除。2.因为主语是第三人称单数形式,(C)选项排除,因此(D)为正确选项。
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