[精] Unit 6 Drinks I like Let's learn 课前预习单(目标导航+培优练习)
[精] Unit 7 Seasons Let's act课前预习单(目标导航+培优练习)
[精] Unit 7 Seasons Let's play Let's enjoy 课前预习单(目标导航+培优练习)
[精] Unit 7 Seasons Let's talk Let's learn 课前预习单(目标导航+培优练习)
[精] Unit 8 Weather Let's act Let's enjoy 课前预习单(目标导航+培优练习)
[精] Unit 8 Weather Let's play Do a survey 课前预习单(目标导航+培优练习)