Excuse me. Look at the sign NO SMOKING! Sorry, I it.A don’t see B didn’t see C haven’t D won’t see
Why not ______ help when you were in danger?
Would you mind ______ louder? I can’t hear you clearly.
The movie is ______, and Joan is ______ in it.
---______ shells do you have? ---Over 100 so far.
---______ did you first skate? ---Two years ago.