40. As COVID rages on, it‟s high time that we ____ our behavior and avoided mass gatherings.(A) chan
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40. As COVID rages on, it‟s high time that we ____ our behavior and avoided mass gatherings. (A) changing (B) changed (C) have changed (D) are going to change
本句：這裡不用鑽石As COVID rages on, it‟s high time that we changed our behavior and avoided mass gatherings.例： = As COVID rages on, it‟s high time that we should c.....看完整詳解