LEARNING KIT
At sixes and sevens
情境领悟：
A: He was confused when he started to play chess because of all the different pieces and moves.
B Yes, he was at sixes and sevens with the game.
- 对本期电子报订户、有效期内的VIP教师会员和本学期高二尊享卡用户，我们开放所有内容：
- 如果您拥有以上权限，请点这里登录；
- 订阅电子报，请点这里；
- 激活VIP教师卡，请点这里；
- 激活21英语尊享卡，请点这里。
