Question

—It’s too late. I have to go now.
—Oh, it’s raining outside. Don’t leave _______it stops.
A．since B．until  C．while

Answer 1

B

since由于，自从……以来；until直到；while当……时。句意：太晚了，我现在必须得走了。——哦，外面正下雨呢。等雨停了再走吧。短语not……until直到……才，故选B。