A large number of inventions and discoveries have been madea
Câu hỏi
Nhận biếtMark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
A large number of inventions and discoveries have been made _________ accident.
Đáp án đúng: A
Lời giải của Tự Học 365
Giải chi tiết:
“by accident” là 1 cụm cố định, nghĩa là tình cờ
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