Bộ 10 đề ôn thi học sinh giỏi Tiếng anh lớp 9 năm 2023 có đáp án (Đề 7)

They are going to make ________ excursion next month. A. a two-week B. two-weeks C. two weeks' D. a two-week's

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They are going to make ________ excursion next month.

a two-week

two-weeks

two weeks'

a two-week's

Giải thích

Chọn A