单元语法聚焦
[一般过去时]
Unit 2  It's Show Time!
1. I slept for two full days！我睡了两整天！2. We heard a lot about him on the Silk Road.我们在丝绸之路上听说了很多关于他的事情。3．Later, Marco Polo travelled with his brother.后来，马可波罗和他的兄弟一起去旅行了。
单元语法聚焦
4. People built them a long time ago.人们很久以前修建了它们。5. The man made the noodles so fast.这个人做面条如此快。
单元语法聚焦