500 Câu trắc nghiệm từ vựng Tiếng Anh có đáp án - Phần 9

This young tree could not have been damaged by accident: I believe it was done __________

50/50

This young tree could not have been damaged by accident: I believe it was done __________.

in fact

on purpose

by appointment

by understanding

Giải thích

Chọn đáp án B

on purpose: có chủ đích