[00:00.00]
[00:00.43]Unit 2 Don't shout, please！
[00:05.65]一、Listen and choose.听一听，选一选。
[00:14.67]1.W: Don't jump on the bed.
[00:28.21]2.M: Don't swim in the lake.
[00:39.19]3.W: Don't play on the grass.
[00:52.94]4.M: Don't climb the tree!
[01:02.47]5.W: Don't sleep in class.