She __________ know the answer, but I'm not sure.A. can B. may C. must
---Would you mind ______the window for me? I feel a little cold. ---Not at all. I’ll do it right away. A. open B.opening C. closing
Digital cameras are becoming very popular, though some still _____ too much.
Do you know any other foreign language _____ English?
— Shall we go for a walk outside? -- ______ .
Mother told me _____ too much time reading novels.