The front door ________ open.I'll have it repaired.
He appears to be strong and healthy but, __________ he suffers from a weak heart.
A number of books in the library ____ been stolen so that the number of them ____ smaller than before.
After Billy said he would ride a mountain bicycle, his father _____ to him and bought him one.
The film makes me think of the happiest days ______ we spent together.
Could you tell me _____?