[00:00.00]
[00:18.42]Units 3~4
[00:22.10]一、听一听，选出你所听到的单词或字母组合。只读两遍哟！
[00:34.48]1.purple
[00:49.62]2.LHBJ
[01:09.19]3.eight
[01:24.25]4.eleven
[01:39.34]5.red
[01:53.15]二、听一听，选出与你所听到的句子相符的图片。只读两遍哟！
[02:05.69] 1.I can see two yellow pens.
[02:26.97] 2.It's a red umbrella.
[02:47.33] 3.Number six is blue.
[03:04.98] 4.There are five Chinese knots.