They .when the fire alarm rang.A.cook B.cooked C.was cooking D.we_英语解答

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

人气：115 ℃　时间：2019-11-05 19:19:55

解答

D.were cooking原因呢？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.