I________havebeenthere,butI________notfindtime. A: should;would B: should;could C: might;could D: could;could

Mary was so angry ______. A: that she could not speak B: and she could not speak C: so she could not speak D: but she could not speak

Jane have come to the party, but she not find the exact time. A: could; could B: might; could C: should; could D: should; would

Could you try on this dress? Could you ?

In fact, she had done all ( ) to help the poor. A: she could B: which she could C: what she could D: as she could

She ______ swim now, but she ______ swim one year ago. A: can; could B: could; could C: could; can D: can; couldn't

From a historical perspective, the US government, at critical moments, produced thousands of pages of new regulations, often spelling out in painstaking details_____________. A: what real estate could do and could not do B: what tourist spots could do and could not do C: what higher education institutions could do and could not do D: what businesses could do and could not do

The workers did all ___ good care of the old man. A: they could to take B: hey could take C: which they could to take D: what they could to take

Nothing could make me give it up, could it?

Who could help Max ?A _____ could help Max.