动手选一选。（选择恰当的单词填空）
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（1）.
A. watch B.watching
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（2）
A. snowing B.snow
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（3） A.singing B.sing
Usually Amy ________to school at 7:00 in the morning. It’s7:00 now, she’s ________ to school.
A.goes……going B.go……going C.going……going
What _______ John and Tim ________?
A.is……doing B.are……do C.are……doing
We often _________ sports in the afternoon.
A. play B.playing C.are playing
The elephants ____________
A.are walk B.is walking C.are walking
Pandas can ______________.
A.swimming B.swim C.fly