Question

He ________ all his aims. But his efforts in the past few years have been praise-worthy.

A．could have achieved	B．wouldn’t have achieved
C．must have achieved	D．may not have achieved

Answer 1

D

試題分析：考查情態(tài)動詞的完成式：句意：他可能不會達(dá)到所有的目標(biāo)，但是他過去幾年的努力是值得表揚(yáng)的。could have done，過去可能做了…，wouldn’t have done過去本來不會做而做了， must have done過去一定做了，may not have done過去可能不會做，選D符合句意。