According to the passage, how did many workers on the top floor manage to escape the fire?
A.On the fire escape
B.On the elevator
C.On ladders
D.On ropes
A.Sleep as soon as possible.
B.Nap even during daytime.
C.Get a good night's sleep.
D.Relax yourself in a cafe.
They look so much like each other that you can't tell which is ______.
A.who
B.whom
C.which
D.that
The tree was cut ______.
A.down
B.in
C.off
D.out
__ there is something else to discuss, I will declare the meeting closed.
A.As
B.Though
C.Unless
D.While
If you want to change to a double room you'll have to pay __ 50 Yuan.
A.an extra
B.other
C.more
D.each