2000 câu trắc nghiệm tổng hợp Tiếng Anh 2025 có đáp án (Phần 40)

John mentioned __________ in an accident as a child, but he never told us the details.

212/331

John mentioned __________ in an accident as a child, but he never told us the details.

having injured

having been injured

to have injured

to have been injured

Giải thích

b. having been injured