Bộ 5 đề thi cuối kì 2 Tiếng Anh 9 Global Success có đáp án - Đề 1

One time in our history, space travel (1) __________ the dream of writers and filmmakers.

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One time in our history, space travel (1) __________ the dream of writers and filmmakers.

is

has been

used to

was

Giải thích

D