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

Random Topics:
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:
Grammar › ViewNowadays, companies ________________ by a group of technicians and not only by specialised engineers.
A. are assisted
B. have assisted
C. assist
Grammar › View
Tomas is Lulu’s father
A. TRUE
B. FALSE
Yesterday, 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
