mn giúp em vs ạ because being unwell,she couldn't play with her son last night =>Although

Sửa đề : Although --> Because

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Đáp án: Because she was unwell, she couldn't play with her son last night.

Because + clause, clause

= Because of + N/NP/Ving, clause

--> bởi vì 

`color{orange}{~LeAiFuRuiHuiBao~}`