A student worked part-time at a zoo．On his first day，the zoo boss took him to the gorilla's（大猩猩） cage．But it was empty．The gorilla was sick and couldn't be there for the next week．The boss asked the student to put on a gorilla suit and sit in the cage．This way the people would at least have something to look at．

"It sounds interesting to me，"said the student．

The next day，he put on the gorilla suit and climbed into the cage．Soon there was a crowd of children coming to see the gorilla．"I need to do something to make them happy．"Thought the student．

Then，he grabbed（抓）a rope in the cage and started to swing（摇摆）．He swung higher and higher．Allofasudden，he flew through the bars between the gorilla's cage and the neighboring cage．He dropped right into the lion's cage!

He was so scared that he quickly got up and ran to the front of the cage．He shouted to the crowd："Help me!I'm not a real gorilla!"

The lion jumped on his back．The student was sure he was going to die．Then he heard a voice from behind saying："_____"After hearing his words，the student said nothing any more and went on with his work with a smile on his face．

31．The underlined words"allofasudden"in the passage most probably means___

A．differently

B．suddenly

C．immediately

32．The student began to stay in the cage instead of the gorilla___ in the zoo．

A．in the next week

B．on his first day

C．on the next day

33．The students was happy to accept this job because he___

A．liked a gorilla very much

B．wanted to do something to make children happy

C．was interested in what the zoo boss said

34．Which of the following is NOT TRUE according to the story？___

A．The student worked at the zoo in his leisure time．

B．The gorilla's cage was next to the lion's cage．

C．The student shouted to the cr