How do you say

They will have three months to finish the project.

..in Chinese?

他们将在三个月内完成这个项目。

tā men jiāng zài sān gè yuè nèi wán chéng zhè gè xiàng mù 。

How do you say "During the Spring Festival holiday, my family and I went to Sanya for a vacation, where the beaches are beautiful." in Chinese?