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[00:00.79]Unit 2 What's the elephant doing?
[00:05.28]一、Listen and tick or cross. 听一听，判断正（√）误（×）。
[00:15.28]1.M: The tiger is jumping.
[00:23.75]2.W: The dog is dancing.
[00:32.33]3.M: The bird is singing.
[00:40.64]4.W: The elephant is running.