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It is interesting to dress up as a mascot.
mop the floor
useful
It is to .
What are they doing?
What do you think of their actions？
useful
mop the floor
important
work closely
It is to .
important
work closely
necessary
receive training
It is to .
necessary
receive training
difficult
keep the hall clean
It is to .
difficult
keep the hall clean
talk with foreigners in
English
great
It is to .
great
talk with foreigners in English
It is