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are +
可数名词复数(s)
There is
有
a dog.
一只狗
There are
有
two dog .
两只狗
s
There _____ a boy.
is
练习巩固：
There ______ ______tigers.
are
two
There____ ____ _______.
..
are
seven
flowers
under the tree.
a dog
There is
There is+a/an+单数名词+地点
under the tree.
two cats
There are
There are+复数名词+地点