[ Adverb Clauses ]
Identify the subordinate clause in the sentence:
You must do the grammar lesson unless you have already mastered it.
A. unless
B. do
C. mastered
D. lesson

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Present Perfect or Past SimpleSpeech TensesDependent PrepositionsTenses and StructureGrammar - direct/indirect objectsVocabulary & GrammarModals for RecommendationsBe going to / WillTime ClauseOrdering AdjectivesOther quiz:
Grammar › ViewThe man is _____________ so he uses sign language to communicate with others.
A. deaf
B. blind
C. lame
D. silent
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He _____ my advice and went to bed early.
A. Listened
B. Took
C. Did
Grammar › ViewDo you know anyone _______ could help me improve my maths skills?
A. that
B. who
C. when
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I haven’t had an accident yet but I’ve had a number of _________shaves.
A. narrow
B. near
C. close
D. tiny
