—I had a bad cold．
—________．
A．That sounds great
B．Good idea
C．Thank you
D．I’m sorry to hear that
—Will you have a picnic tomorrow?
—Yes．But if it________，we’ll visit the museum instead．
A．will rain
B．rains
C．doesn’t rain
The river will be dirtier and dirtier________we do nothing to protect them．
A．since
B．if
C．unless
D．until
—________
—I have a fever．
A．How are you doing?
B．Are you all right?
C．What’s the matter with you?
D．Do you have a fever?
—Mum，I have a cold．
—You________go to a doctor．I’ll take you to hospital．
A．should
B．shouldn’t
C．need
D．needn't
The doctor advised my father to________smoking．
A．get up
B．stay up
C．put up
D．give up
