21. They could not go to the theater together because his free time never ______ with hers. A. collide B. comply C. coincide D. cope
collide 碰撞，相冲撞collision 冲突bump 撞击 bump into 邂逅，偶然遇到
comply (with) 遵守（法律法规）adhere (to) 坚持，遵守，粘着conform (to) 符合，遵守（法律法规）
cope (with) 处理