Bộ câu hỏi: Các dạng thức của động từ (to v - v-ing) (Có đáp án)
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They voiced their complaint because they were made overtime without extra pay. A. working     B. to working   C. work     D. to work

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They voiced their complaint because they were made ______ overtime without extra pay.

working

to working

work

to work

Giải thích

Đáp án: D