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There is ___ old man at the door.
A. a
B. an
C. the
D. no article

Random Topics:
Simple Present - Negative & InterrogativeIn/On/At + TimeModal Verbs of ObligationPast Perfect vs Past SimplePrepositions of MovementPassive VoiceAdjective ClauseAsking & Giving OpinionTag QuestionFOR & SINCEOther quiz:
Grammar › ViewAs an old friend, may I give you an advice?
A. correct
B. incorrect
Grammar › View
Kate is the girl …….. dad is a surgeon.
A. which
B. whose
C. who
Modal Verbs › ViewWe ___ leave now, or we’ll miss the bus.
A. had better
B. can
C. could
D. may
Future Tenses › View
Construct a future perfect continuous sentence with the verb ‘swim’.
A. By next summer, I will have swum for ten years.
B. By next summer, I will be swimming for ten years.
C. By next summer, I will be swimming for ten years.
D. By next summer, I will have been swimming for ten years.
