I ____ have been there, but I ____ not find the time.A．could; mustB．must; could

题干

I ____ have been there, but I ____ not find the time.

A．could; must

B．must; could

C．should; could

D．should; would

上一题下一题 0.64难度单项选择更新时间:2013-11-29 04:17:22

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