Bộ 20 đề luyện thi Chuyên Anh năm 2023 có đáp án (Đề 90)

The early (A) periods of aviation in the United States was marked by (B) exhibition flights made by (C) individual fliers or by (D) teams of performers at county fairs. A.    periods of avia

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The early (A) periods of aviation in the United States was marked by (B) exhibition flights made by (C) individual fliers or by (D) teams of performers at county fairs.

periods of aviation

exhibition flights

individual fliers

teams of performers

Giải thích

Đáp án: A