[ 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:
Gerund and Infinitive › ViewMy little sister dislikes ___ (share) her food with others.
A. share
B. sharing
C. to share
D. shared
Grammar & Vocabulary › View
. You’re asking for someone’s opinion about a book. Which sentence is most appropriate?
A. What do you think about the book?
B. What do you think for the book?
C. What are your thoughts about the book?
D. What is your opinion for the book?
Grammar › ViewDo you know anyone _______ could help me improve my maths skills?
A. that
B. who
C. when
Vocabulary and Grammar › View
I haven’t had an accident yet but I’ve had a number of _________shaves.
A. narrow
B. near
C. close
D. tiny
