ĐỀ THI MINH HỌA MÔN TIẾNG ANH NĂM 2021

Đề neftekumsk.com minh họa tốt nghiệp THPT môn Anh 2021

Question 32: According to paragraph 1, Marcel Bich was shocked because

A. a cheap pen could be designed with great commercial success

B. a firm was not established to produce high-quality ballpoint pens

C. most people could not afford such a firmly established invention

D. the ballpoint pens available were expensive despite their poor quality

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