—It's no easy task to catch a ticket on a website that receives 1 billion clicks daily. —I can't agree with you more. There ________ be errors for every single step.A.should B.mustC.can D.will
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She ______ have attended that meeting, for she was doing pap..
She ______ have attended that meeting, for she was doing paperwork in the office then.A.shouldn’tB.mustn’tC.wouldn’tD.couldn’t
—Whom did you ________ the packet at the post office?—Jack...
—Whom did you ________ the packet at the post office?—Jack.There________ masses of work for him to do, but he managed to finish the work as required.[ ]A. have fetched; was B. have fetch; wereC. have to fetch; wereD. have fetch; was