[ Prepositions ]
Please turn out the lights _____ you go to bed.
A. after
B. as soon as
C. while
D. before

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take, make, doGerunds & Infinitives + VocabularyFuture SimplePast or Present Verb TenseGerund, Infinitive & ModalsAdjectives & PrepositionCountable & Uncountable NounsPast Tense vs Present Perfect TenseThere is, There are, Some, AnyTenses and StructureOther quiz:
Tenses › ViewWe ____ them since 2010.
A. haven’t met
B. met
C. meet
D. hasn’t met
Articles › View
He is ________ right man for this challenging assignment.
A. a
B. the
C. an
D. no article
Grammar › ViewYesterday, i ________ my father to the supermarket.
A. follow
B. follows
C. following
D. followed
Past Tenses › View
He (never try) sushi before he (visit) Japan.
A. He had never tried – he visited
B. He never tried – he visited
C. He had never tried – he was visiting
D. He had never tryed – he visited