[ Grammar and Sentence Correction ]
Did you hear a (nock, knock)?
A. nock
B. knock

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Verbs: Will & Going toPresent simple or Past simpleModals - Conditionals - Future TensesAuxiliaries VerbGerunds and InfitinitivesPast ModalsPresent Perfect Simple vs ContinuousVocabulary and Verb TensesGiving and Asking for AbilityPast Simple TenseOther quiz:
Grammar › ViewHow are non-restrictive clauses set apart from the main clause?
A. By commas
B. By dashes
C. By parentheses
D. By semicolons
Preposition of Time › View
I can’t work _______ night.
A. in
B. on
C. at
D. X