情态动词语法填空
1. Jean have kept his promise. I wonder why he changed his idea.2. Jane have come to the party, but she not find the exact time.3. So many mistakes in your homework! You (be) more careful.4.Her brother be at home now, because he was seen playing basketball in the stadium just now.5.---I can’t understand why our boss is late. ---He (miss)the early bus.
should
could
could
should have been
can’t
may have missed
6. She didn't answer the phone, sh ...


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