—It was a red light, William. You ____ the car.

—Sorry.  I didn’t see it.

A. must stop

B. should stop

C. must have stopped

D. should have stopped

----- It was a red light, William. You ________ the car.

------- Sorry, I didn’t see it.

—It was a red light, William. You ____ the car.

—Sorry.  I didn’t see it.

A. must stop

B. should stop

C. must have stopped

D. should have stopped

---It was a red light, Willian. You __________ the car.

---Sorry. I didn’t see it.

—It was a red light, William. You ____ the car.
—Sorry.  I didn’t see it.