[ Tenses ]
Make sure you close all the windows _______.
A. before you leave
B. until you will leave
C. after you had left
D. when you left

Random Topics:
Grammar ElementaryPhrasal verbs and Prepositional PhrasesPositive and Negative ConnotationsGrammar - Wh QuestionsPast Tense (Regular and Irregular)Offer and SuggestionModal RequestsGerunds as objects of prepositionSimple and Continuous Present TenseSimple Present Tense with Adverb of FrequencyOther quiz:
Grammar › ViewYou ______________ copy your friend’s homework, it’s wrong.
A. shouldn’t
B. must
C. have to
D. don’t have to
Past Tense › View
I ___ the party but Chris wanted to go home
A. enjoyed
B. was enjoying
C. enjoy
D. had enjoyed