Question

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

A．could; must

B．must; could

C．should; could

D．should; would

Answer 1

C

试题分析：考查情态动词：句意：我本来应该在这儿的，但是我找不到时间。第一空用should have done本应该做…却没有，must have done过去一定做了，could have done过去本来可以做…，第二空表示事实：用could能，must必须，would过去常常，会，选C。