It is said that more than ten thousand workers have the strike(罢工). A. joinedB. joined in

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A. joined
(答案→)B. joined in
C. attended
D. take part
解析：句意：据说，有一万工人加入了这次罢工。joined加入某个组织成为其中一员；joined in加入一项活动；attended参加，如演讲、婚礼、葬礼等；take part参加，后面加in可以表示加入某个活动并起到积极的作用。罢工是一项活动，选B。
考点: 考查动词的用法。