I have heard her on the violin and clarinet, both which she plays extremely well

I have heard her on the violin and clarinet, both which she plays extremely well

Đề bài: Tìm và sửa lỗi sai:

I have heard her on the violin and clarinet, both which she plays extremely well.

A. have heard

B. on

C. both which

D. well

Lời giải:

Đáp án: C

Giải thích: không có “both which” => sửa “both which” thành “both of which”: cả hai

Dịch: Tôi đã nghe cô ấy chơi violin và clarinet, cả hai thứ cô ấy chơi đều rất hay.