[ Gerund or Infinitive ]
Don’t forget … off the lights.
A. turning
B. to turn

Random Topics:
Past Perfect SimpleTenses and FoodSpellingModals and Modal PerfectsFirst Conditional & Future TensesModals of ProhibitionWh-QuestionUsed to & would & Past SimpleModals AuxiliarySimple Present and Past TensesOther quiz:
Homonyms › ViewHow can you make such a ___ suggestion?
a. vial
b. vile
Grammar › View
What is the plural of door?
A. Doors
B. Doores
Grammar › ViewThere are _______ days of school before the end of the year than we thought we had.
A. less
B. fewer
Present Simple, Present Continuous or Present Perfect › View
She _____ (study) for her English grammar test yet.
A. hasn’t studied
B. does study
C. don’t study