Bộ câu hỏi: Giới từ (Có đáp án)

My sister has been work for a month and is looking for a new job. A. on   B. at   C. out of     D. To

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My sister has been ______ work for a month and is looking for a new job.

on

at

out of

To

Giải thích

Đáp án: C