摘要： John and Mary’s room on fire. Many help them put out the fire. A. are; passer-bys B. is; passers-by C. is; passer-bys D. are; passers-by
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John and Mary’s room _______ on fire. Many _______ help them put out the fire.
- A.are; passer-bys
- B.is; passers-by
- C.is; passer-bys
- D.are; passers-by
John and Mary’s room _______ on fire. Many _______ help them put out the fire.
A. are; passer-bys B. is; passers-by C. is; passer-bys D. are; passers-by
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