根据句意，从方框内选择合适的情态动词完成句子。must, may, can, c

问题填空题

根据句意，从方框内选择合适的情态动词完成句子。

must, may, can, could, might, can't

1. The brown wallet           be Tom's or Bill's. They both like brown.
2. I haven't seen Alice for several years. She           be a big girl now.
3. —Whose jeans are these? I found them on the chair in the living room.
    —They           be mine. I put my jeans on the bed.
4. —          the woman there be our math teacher?
    —She          be, but I'm not sure.

答案

1. might / could / may 2. must 3. can't 4. Can / Could; may