It was lucky that little Jack was not at home when the fire broke out;otherwise,he his life.
— What does the sign over there read? — No person ______ smoke or carry a lighted cigarette, or pipe in this area.
.How long is it ______ we last spent the holiday in the country together?
— Can you come on Friday or Saturday? — I’m afraid ______ is possible.I will go to the hospital to look after my friend.
He wanted to join the medical team to help the victims in the earthquake but he______for his poor health.
.— Has Tom finished his report so far? — I have no idea.He ______it this morning.