It worried her a bit _____her hair was turning gray.
______ I’m well again, I can go on with my work.
The government has to close those small factories to prevent the water of the river ______.
We should try our best to ______ those people after the disaster.
------We want someone to design the new art museum for us.------______the young fellow have a try?
—What do you think of their marriage? —______, if I were Kate, I would not marry him.