Mark your answer on your answer sheet: A. Smoke is rising into the air. B. Industrial equipment is being assembled. C. Construction materials are stored outside a building. D. Some merchandis

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Mark your answer on your answer sheet:

Mark your answer on your answer sheet: A. Smoke is rising into the air. B. Industrial equipment is being assembled. C. Construction materials are stored outside a building. D. Some merchandise is being shipped. (ảnh 1)

Smoke is rising into the air.

Industrial equipment is being assembled.

Construction materials are stored outside a building.

Some merchandise is being shipped.

Giải thích

Chọn đáp án A