第175页

信息发布者：
rainfall
penguins'
oral
eefs
cosystem
reat
To help
/Helping
is
himself
difference(s)
are
B
C
B
A
The full moon looks like a plate.
The desert plants keep water in their leaves.
The rainforests are home to many animals and plants.
The dining hall lies between the playground and the teaching building.
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