You can’t have this football back you promise not to kick at my cat again. A. becauseB. un

问题补充：

You can’t have this football back you promise not to kick at my cat again.

A. because

B. until

C. when

D. since

答案：

A. because

(答案→)B. until

C. when

D. since

解析：：考查固定句型。Not…until…直到…才…;句意：直到你答应不再踢我家的猫，你才能拿回足球。故B正确。