students n＿＿＿ sleep for eight hours

題目：

students n＿＿＿ sleep for eight hours
Sudents n＿＿＿ sleep for eight hours.
中間應該填什麼?
要一個N開頭的詞
補一個問題..
Don't g___ stressed out.It'll make you sick.

解答：

1、need 學生需要8小時睡眠.
2、get,別緊張,這會讓你生病