It's very kind____ you to repair the bike ____ me.
The young woman ______ a Frenchman. She has ______ him for five years.
Mr. Brown ______ a valuable present, but he refused ______ it.
This problem is not worth ______ again.
Antony _____ be an actor, for he doesn’t like plays or films at all.must B. may C. can’t D. mustn’t
— Could I have a word with you, mum? — Oh , if you ______ .