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It's _______ a tree.
climbing
________ a boy in the photo.
He's ______a horse.
There is
riding
_______ a boy in the photo.
He's ________ fast.
There is
running
________ a panda in the photo.
It's ______ a kite.
There is
flying
There is
There are
There is ______ on the bike.
a boy
There are _______ on the bike.
three boys
There are __________ on the bike.
twelve boys
Oh!
listen and say
学习小贴士
is
are
单数名词
a boy
复数名词