[00:00.00]
[00:00.47]Unit 2 This little girl can't walk.
[00:06.34]一、Listen and number.听一听，排一排。
[00:15.68]1.W: sit down
[00:23.71]2.M: carry the bag
[00:31.70]3.W: a kind boy
[00:39.73]4.M: ride a bike
[00:47.33]5.W: carry a desk