Đề thi chính thức Tiếng Anh vào 10 năm 2020-2021 (Đề 17)
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She was very angry because John, her friend, refused ______ her a lift as he

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She was very angry because John, her friend, refused ______ her a lift as he promised.

give

to give

gave

giving

Giải thích

Đáp án B