—___________ he have apologized to Kate?
—Yes,he ___________.Otherwise,she couldn’t be dating with him now.
A．Must;canB．Can;can?
C．Must;must haveD．Can;must have
D?
考查情態(tài)動詞后面跟完成式的用法。疑問句句中推測用can,肯定句中用must,must have done結(jié)構(gòu)中，可以承上文省略done，但一定要保留have。
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