Bộ đề ôn thi Tiếng Anh vào lớp 10 THPT năm 2020 - 2021 có đáp án - Đề 10

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She was sick yesterday, _____ she was absent from school.

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She was sick yesterday, _____ she was absent from school.

since

so

because

But

Giải thích

Chọn đáp án B