[ Grammar ]
Her ____ of English grammar is very extensive.
A. knowing
B. knowledge
C. acknowledgement
D. known

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1st and 2nd ConditionalsSimple Present - WH QuestionsAdjectives vs AdverbsSimple Present and Simple PastIndirect SpeechGrammar ClausesPresent/Future/Past Simple/Present PerfectPresent simple or Past simpleAdjectives and VocabularyWord Form & Verb TenseOther quiz:
Vocabulary › ViewWe must ____________ before the problem gets worse.
A. spoil
B. rescue
C. take action
D. explode
Time Clauses of Future › View
I’ll take a dictionary ________ I do my homework in the café later.
A. when
B. in case
C. unless
Grammar › ViewRichar Strauss composed ‘Electra’ and ‘A hero’s life’.
A. ‘Electra’ and ‘A hero’s life’ were composed by Richard Strauss.
B. ‘Electra’ and ‘A hero’s life’ was composed by Richard Strauss.
C. ‘Electra’ and ‘A hero’s life’ are composed by Richard Strauss.
Grammar › View
My sister _________ make breakfast.
A. doesn’t
B. don’t
C. not