Question

—Is your brother in?
—No.________ he comes back, I’ll tell you.

A．As

B．As soon as

C．After

D．Since

Answer 1

B

试题分析：句意：你的弟弟在家吗？不。他一回来，我就告诉你。As当……的时候； As soon as一……就； After在……之后；Since自从。根据语境可知选B。