GCT考试英语语法结构练习题：情态动词3

考研网

1. You ____ the work. Now you won’t meet the schedule.
    A should finish B should have finish
    C must finish D must have finished
    2. He ____ writing the paper now. He hadn’t written a single word when I left him ten minutes ago.
    A shouldn’t be B can’t have finished C can’t be D mustn’t have finished
    3. The farmer realized that he’d better, if he didn’t want to have a total loss, ____ his crop earlier than usual.
    A harvesting B to harvest C harvested D harvest
    4. My pain ___ apparent the moment I walked into the room. For the first man O met asked me sympathetically, “Are you all right?”
    A must be B had been C must have been D should be
    5. They were chatting when I walked into the office.
    They ____ then. It’s office hour.
    A can’t chat B shouldn’t chat
    C mustn’t be chatting D shouldn’t have been chatting
     答案：1B 2B 3D 4C 5D