They .when the fire alarm rang.A.cook B.cooked C.was cooking
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They .when the fire alarm rang.A.cook B.cooked C.was cooking D.were cooking
请帮我选正确答案以及原因
请帮我选正确答案以及原因
D.were cooking
再问: 原因呢?
再答: 正在煮饭的时候, ; They 是复数,用were,; rang 是ring 的过去式 所以选过去进行式 : They were cooking when the fire alarm rang.
再问: 原因呢?
再答: 正在煮饭的时候, ; They 是复数,用were,; rang 是ring 的过去式 所以选过去进行式 : They were cooking when the fire alarm rang.
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