第60页 - 亮点给力提优课时作业本六年级英语译林版

Building

became

through

brought

F

T

F

T

There are a lot of changes in our life. Then, if we wanted to buy something, we had to go to shops.

We always had lessons in the classroom. And we used the keys to open the doors. Now we can do shopping

on the Internet. We can have lessons on the Internet too. And we have electronic locks. We can open the

doors with our fingerprints.