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题型:单选题 题类:常考题 难易度:普通

广东省惠州市惠城区2018-2019学年八年级下学期英语期末质量试卷

Lots of people across the world __________ about the air safety since Sunday's 737 MAX (机型) crashed (坠毁)on March 10, 2019.
A、are worried B、were worried C、will be worried D、have been worried
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