[ Adverb Clauses of Time ]
Do not disturb me ____ I am studying.
A. before
B. after
C. when

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Common Grammar Mistakes and Spelling TipsModal Auxiliaries and Similar ExpressionsSimple and Compound Sentencestoo / enoughModal Verbs & Time PrepositionsDependent ClausesModal ProbabilitySimple Past - Irregular VerbsModals and PrepositionQuestion TagsOther quiz:
Grammar- Adjectives › ViewMadrid is _______ than London in the summer.
A. hotter
B. hot
C. the hottest
Grammar › View
A dolphin is a mammal ___ lives in the sea.
A. which
B. whom
C. who
D. whose
Grammar › ViewLast night I was ______ tired that I went to bed early.
A. such
B. such a
C. so
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Her doctor recommended that she _______ more exercise.
A. takes
B. take
C. took
D. taking
