Will you answer the phone? It _____ be your mother.--- Sorry, I ______. I'm busy .
A: may, can
B: can, mustn't
C: may, won't
D: should, will
A: may, can
B: can, mustn't
C: may, won't
D: should, will
举一反三
- Will you answer the telepohone? It ______ be your mother.--Sorry, I _____. I'm busy. A: can; mustn't B: may; won't C: may; can D: should; will
- --May I use your computer ? ---Sorry,you _____.It doesn’t work now. A: mustn’t B: may C: can’t D: needn’t
- —Can you come here again next Sunday evening—Sorry, I （）. A: may not B: can’t C: mustn’t
- —Can you answer that question —Sorry, I ______. A: mustn’t B: needn’t C: C. can’t
- --____I put my coat here? ----Sorry, you ______. A: Must; mustn’t B: Do; don’t C: Can; needn’t D: May; can’t