After she had read her book carefully, she did the exercises confidently. Having ______________

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After she had read her book carefully, she did the exercises confidently.

Having ______________

Having reading her book carefully, she did the exercises confidently.

Having to read her book carefully, she did the exercises confidently.

Having been read her book carefully, she did the exercises confidently.

Having read her book carefully, she did the exercises confidently.

Giải thích

Đáp án đúng: D

Giải thích: Rút gọn 2 vế có cùng chủ ngữ.

Dịch: Sau khi đọc kỹ cuốn sách của mình, cô ấy đã làm các bài tập một cách tự tin.