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
The tree was cut ______.
A．down
B．in
C．off
D．out
A．Sleep as soon as possible.
B．Nap even during daytime.
C．Get a good night's sleep.
D．Relax yourself in a cafe.
__ there is something else to discuss, I will declare the meeting closed.
A．As
B．Though
C．Unless
D．While
They look so much like each other that you can't tell which is ______.
A．who
B．whom
C．which
D．that
The question "How do you feel？" seems to be suitable when asked of ______.
A．a man walking in the street
B．a friend who has fallen ill
C．a person having lost a close friend
D．a stranger who looks worried