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>

collide  碰撞，相冲撞

collision  冲突

bump  撞击 

bump into  邂逅，偶然遇到

</collide>

<comply>

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）

</comply>

cope (with)  处理