2 sentences

1. 学校下周将举行义卖活动。

   xué​xiào xià zhōu jiāng jǔ​xíng yì​mài huó​dòng.

   The school will hold a charity sale next week.

   Source: Dong Chinese Dictionary

2. 学校周六将举办一场爱心义卖活动。

   xué​xiào Zhōu​liù jiāng jǔ​bàn yī cháng ài​xīn yì​mài huó​dòng.

   The school will hold a charity bazaar this Saturday.

   Source: Dong Chinese Dictionary