Rewrite the following sentences without changing their meaning. Use the given word(s) if any.

Hướng dẫn giải:

Đáp án đúng: she was performing last night

Cấu trúc: during + N = while + S + was/ were V-ing

Dịch nghĩa: Julia hurt her knee while she was performing last night. (Julia đã bị thương ở đầu gối trong khi cô ấy đang biểu diễn tối qua.)