this switch must not be touched on any account .
A. on no account this switch be touched.
B. on any account must you not touched this switch.
C. on no account must this switch be touched .
D. on any account this switch must be touched .
Đáp án đúng: C
Đáp án là C, Cấu trúc đảo ngữ: On no account + auxiliary + S + V.
Số bình luận về đáp án: 0