【S1】 [br] 【S4】has—had从句she has been with us应改为过去完成时she had been with us。

游客2025-07-29  0

问题 【S1】 [br] 【S4】

选项

答案 has—had

解析 从句she has been with us应改为过去完成时she had been with us。
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