Question

—Look，the paint is starting to come off ________the wall is damp.
—Well，we’d better have the wall repainted some day.

A．when

B．where

C．if

D．once

Answer 1

B【命题立意】考查状语从句。
【解题思路】由语境可知，在墙面潮湿的地方，油漆开始脱落。where在句中作地点状语。故选B。