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It is recommended that this machine ______ checked every year.
Câu hỏi:- A. to be
- B. is
- C. be
- D. are
Lời giải tham khảo:
Đáp án đúng: C
Kiến thức: Thức giả định
Giải thích:
Cấu trúc: It + be + adjective + that + S + (should) Vo
Các tính từ như: recommend, required, essential, vital,…
Tạm dịch: Người ta khuyên là loại máy này nên được kiểm tra định kỳ hàng năm.
Chọn C
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- Choose the correct answer: It is recommended that this machine ______ checked every year.
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- A. on B. about C. with D. for
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