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HehadworkedouttheproblemwhenJimcalledhim划线部分提问Heshowedusthepicture.Thenheshowedusaroundthehouse.(由过去完成时合并为一句)

题目详情
He had worked out the problem when Jim called him
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划线部分提问
He showed us the picture.Then he showed us around the house.(由过去完成时合并为一句)



▼优质解答
答案和解析
1.What had he done when Jim called him?
2.He had showed us the picture before he showed us around the house.