[ Grammar ]
Brush your teeth ________ you go to bed.
A. before
B. when
C. since
D. unless

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Modals and Past TensesPresent and Past Perfect TensesVocabulary and TensesAction VerbConjunctive Adverbs and PunctuationPast Simple Negative & QuestionsGrammar - Punctuation of SentencesFirst & Second ConditionalContrastive ConjunctionConditional Sentences Type 0, 1 and 2Other quiz:
Grammar › ViewBears are ……… than wolves.
A. heaviest
B. heavier
C. heavy
D. more heavy
Grammar › View
We had only one hour, but we _____ the report on time.
A. were able to finish
B. were finished
C. can finish
D. must finish
Grammar › View_____ is the longest ruler among the three?
A. How
B. Who
C. Whom
D. Which
Transitional Phrases and Conjunctions › View
You can learn various instruments, …………… the guitar and the piano, if you practice daily.
A. On the other hand
B. However
C. While
D. Such as