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

Random Topics:
Grammar - either...or, neither...norVerbs of movementVerbs and AdverbsPresent Simple and Present Continuous TensesConditionals Type IPronounciation and GrammarInfinitive or GerundTOEFLVocabulary : Coming & GoingBecause / soOther quiz:
Grammar › ViewWe’ll have to ___ if we want to catch that bus.
A. ran
B. run
C. running
Vocabulary › View
to serve as a memorial to; to remember in a solemn manner
A. reprisal
B. atrocity
C. commemorate
D. dialect
