Bộ 5 Đề thi cuối kì 2 Tiếng Anh 9 Friends plus có đáp án ( Đề 3)

French kept developing the design by building more complex tracks (35) ______.

35/40

French kept developing the design by building more complex tracks (35) ______.

0/3000 ký tự
Giải thích

C