问题补充：
---Tell Jack I will wait for him at the school gate.
---he doesn’t come?
A. How about
B. What if
C. If only
D. Whatever
答案：
A. How about
(答案→)B. What if
C. If only
D. Whatever
解析：考查固定连词用法。A…怎么样？B要是…又如何？C要是…就好了？D无论…;结合句意可知B正确。句意：—告诉Jack我在校门口等他。—要是他没有来怎么办？
