我们将于5月23日上午10点举行一次免费的体验课，以展示各种积极有效的运动。

We will be holding a free taster session on 23rd May, at 10 am, to demonstrate the variety of effective and active exercises.

youdao

所有的网球课都将从10月10日开始。

All the tennis lessons will start from October 10th.

youdao

第23课 电视日：是右还是左?。

Lesson 23 Television Day: Right or left?;

youdao

so it's... pretty near finals. So you can drop any classes you want up until the drop date with like no penalty.

所以……蛮接近期末考试的。所以在退课日之前你可以不受任何处罚退课。

对于返校日 - SpeakingMax英语口语达人