— he have apologized to Kate?—Yes he .Otherwise she couldn’t be dating with him now.A. Mus

问题补充：

— he have apologized to Kate?

—Yes,he .Otherwise,she couldn’t be dating with him now.

A. Must;can

B. Can;can

C. Must;must have

D. Can;must have

答案：

A. Must;can

B. Can;can

C. Must;must have

(答案→)D. Can;must have

解析：考查情态动词后面跟完成式的用法。疑问句句中推测用can,肯定句中用must,must have done结构中，可以承上文省略done，但一定要保留have。