— What are you doing, John? Why stop?
— To be on the safe side, we'd fill up the tank now for we _______run out of gas on the way
A. must B. will C. might D. should
— What are you doing, John? Why stop?
— To be on the safe side, we'd fill up the tank now for we _______run out of gas on the way
A. must B. will C. might D. should
C