Choose the best answer for the following sentence:
_____________ before you enter the building.
A.
All cigarettes must extinguish
B.
You must be extinguished all cigarettes
C.
All cigarettes must be extinguished
D.
You must have been extinguished all cigarettes
Đáp án và lời giải
Đáp án:C
Lời giải:
All cigarettes must be extinguished