Find the mistake: Getting (A) enough sleep is (B) important in order (C) not fall (D) asleep in class

Knowledge: Result clause

We have the structure: in order + (not) to V: to do nothing

Edit: not fall => not to fall

Getting enough sleep is important in order not to fall asleep in class.

Getting enough sleep is important so that you don’t fall asleep in class.

The answer to choose is: EASY