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.

Random Topics:
Grammar - Present and Past PassiveVerbsVocabulary Spelling GrammarGrammar and PunctuationVerb TenseFOR & SINCEDefinite vs Zero Article Abstract NounsSimple Present and Present ContinuousIELTS VocabularyFunctional Sentence TypesOther quiz:
Tenses and Article › ViewSelect the sentence that correctly uses the past perfect tense.
A. She had left before you arrived.
B. She left before you arrived.
C. She leaves before you arrive.
D. She is leaving before you arrive.
Progessive Tenses › View
The following sentence is written in _______________.
By next month, they will have been living here for 20 years.
A. future tense
B. future progressive
C. future perfect progressive
D. future perfect
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