电影开始前，如果需要，你应该去上厕所。

Before the movie starts, you should ___go ___to ___the ___toilet if needed.

他在休息期间去上厕所了。

He ___went ___to ___the ___toilet during the break.

孩子们通常需要更频繁地上厕所。

Children often need to ___go ___to ___the ___toilet more frequently.