The lady in red ___ be over fifty! She looks so young.A. must B. can C. can’t
. “Can't you read?” Mary said ___________ to the notice.
. How about two of us ___________ a walk down the garden?
. ---I must apologize for ___________ ahead of time. ---That’s all right.
. ---You were brave enough to raise objections at the meeting. ---Well, now I regret ___________ that.
. Would you ___________ me your identification card, sir?