Question

Which sentence is grammatically correct? (4 points)

The coach told us that we should get some sleep and to do some meditation.
The meeting included several activities: playing a game, meeting new staff, and eating a cake.
The students talked through the lecture, threw wads of paper and were completely annoying.
The teachers left their classes, their students, and were walking out the door when the principal arrived.

Answer 1

sentence 3 is your answer

Answer 2

sentence three seems to be the right answer