1．—Can the project stop the wastes flowing into the lake?
— Otherwise, it will be a disaster sooner or later.
A．It depends. B．Why not? C．I hope so. D．I’m afraid not.
2．Time passes we know it; seize the time and seize the day.
A．if B．where C．before D．since
3．His family are fond of arts, and music is common interest.
A．their B．its C．his D．her
