She __________be ill because I saw her playing tennis just now.
举一反三
- She ______ be iii because I saw her playing tennis just now. A: can't B: couldn't C: mustn't D: may not
- Jane said she was ill, ___ I saw her in the street just now. A: so B: and C: yet D: already
- I saw him just now. (改疑问句)_____ you _____ him just now?
- He________be in the library because I saw him on the playground just now.
- He_____ upstairs because I saw him playing football on the playground just now. A: mustn’t be B: might not be C: can’t be D: should not be