[ Grammar ]
The boy are not ready, but the dog has been patiently waiting.
A. Change are to is.
B. Remove the comma after ready.
C. Change has to have.
D. Make no change.

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Grammar - Present and Past PassiveVerbsVocabulary Spelling GrammarGrammar and PunctuationVerb TenseFOR & SINCEDefinite vs Zero Article Abstract NounsSimple Present and Present ContinuousIELTS VocabularyFunctional Sentence TypesOther quiz:
Past Continuous › ViewWhich sentense is past continuous sentence?
A. Were you a student in 1999?
B. Were you watching TV at 7 o’clock?
C. Have you watched TV at 7 o’clock?
D. Are you watching TV at 7 o’clock?
Past simple regular verbs › View
The baby—-(cry) a lot yesterday.
A. cryed
B. cried
C. cries
D. cry