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help the athletes
show the way
Task1:Being helpful during the Games
help the athletes
It's necessary to help the athletes.
It's helpful to show the way to visitors.
show the way
keep order
help injured visitors
help disabled visitors
do some translation
（受伤的）
Task1:
right/seats/the elderly/to
good/blind people/cross the road
helpful/money/to charities
proper/a lost pet
important/more trees
necessary/parks/clean
It's right to give seats to the elderly.
It's good to help the blind cross the road.
It's proper to take care of a lost pet.
It's helpful to donate money to charities.
It's necessary to keep parks clean.
It's important to plant more trees.
Task2:Being helpful in the society (P84)
It's right to give seats to the elderly.
It's good to help blind people cross the road.
It's helpful to donate money to charities.
We can use ‘It's +adj.+to do sth.’ to talk about the feeling of doing sth.