Câu hỏi:
17/06/2026 137Choose the best answer
Volunteers ______ games and ______ activities with disadvantaged children while they ______ for the center.
A. played - had - worked
B. were having - having - were working
C. have played - playing - are working
D. played - had - were working
Trả lời:
Giải bởi Vietjack
Đáp án D
Câu này mô tả một hành động trong quá khứ, gồm:
- Hành động chính: "Volunteers played games and had activities..." → thì quá khứ đơn
- Bối cảnh đang diễn ra: "...while they were working for the center." → thì quá khứ tiếp diễn (đang làm việc trong khoảng thời gian đó)
Dịch nghĩa: "Các tình nguyện viên đã chơi trò chơi và tổ chức các hoạt động với trẻ em có hoàn cảnh khó khăn trong khi họ đang làm việc cho trung tâm."
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