The word “it” in the passage refers to____________.
A.cancer
B.smoke
C.air
D.breath

The main cause of mouth cancer, tongue cancer and throat cancer is__________.
A.drinking
B.overeating
C.breathing
D.smoking

___________(30)
A.workers
B.drivers
C.cowboys
D.farmers

At the moment I am spending my weekend go to camping with my friends.
A.At the moment
B.spending
C.go to
D.camping

My father asked me to pay much attention to English next year.
A.asked
B.to pay
C.much attention
D.next year

When she came to my house I lied in bed listening to music.
A.When
B.came to
C.lied in
D.listening to

I think I prefer country life more than city life.
A.I think
B.country life
C.more than
D.city life

___________(27)
A.start
B.starts
C.was starting
D.started

___________(29)
A.famous
B.popular
C.good
D.wonderful

What does this notice concern?
A.Help for flood victims
B.Safety precaution
C.Dangerous roads
D.Warning about weather