He had worked out the problem when Jim called him
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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)
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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)
1.What had he done when Jim called him?
2.He had showed us the picture before he showed us around the house.
2.He had showed us the picture before he showed us around the house.
He had worked out the problem when Jim called him
He worked out the math problem f__.
He worked out the problem by h .No one helped him.
He worked out the math problem ( )如题
he has worked out the problem.的被动形式
Finally,he worked out the problem.(改为同义句)
The problem is difficult,( )he has worked it out.
He thought he had d______ working out the math problem.
she had no difficulty _ the problem.A.worked out B.working o
He had some d__ in working out the problem.
I worked out the problem so( )(easy)
They worked out the math problem .