May I sit here? （ ）
举一反三
- Do you mind _______________________________ A: if I sit here for a moment B: if I will sit here for a moment C: if my sitting here for a moment D: I sitting here for a moment
- -- May I smoke here?
- May I sit nearer _____ I can see more clearly?
- —May I swim here? — No, you _______. It is dangerous._
- By May I _______(live) here for three years.