摘要： She looks very sad. I want to help her, but I just don’t know to do it. A. what B. when C. how D. which
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She looks very sad. I want to help her, but I just don’t know ____ to do it.
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| A．what | B．when | C．how | D．which |
She looks very sad. I want to help her , but I just don’t know_________ to do.
A. what B. when C. how D. where
查看习题详情和答案>>
She looks very sad. I want to help her, but I just don’t know ____ to do it.
A. what B. when C. how D. which
查看习题详情和答案>>