The two newest companies______the semiconductor community by surprise when they introduced an advanced technology to the market.

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问题 The two newest companies______the semiconductor community by surprise when they introduced an advanced technology to the market.

选项 A、takes
B、took
C、to take
D、taken

答案B

解析语法：时态1．本题考查动词时态，原句缺少谓语，因此排除不能做谓语动词的C、D选项。2．主语是复数，A选项takes是单数形式与主语不符，因而排除。过去分词(B)项为正确选项。

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