That joke is hilarious, isn't it?

He retracted his previous remarks.

Tsuge-san is my best friend.

He used to live as a thief in the past.

Ren had forgotten to do his homework.

Please pay the monthly tuition fee by next week.

Please open this opaque sliding door and take a look at the room.

Chrysophyta perform photosynthesis underwater, supplying oxygen.

Zhenzong was a great emperor of China.

He was promoted to the chief operating officer of the company.