题目内容
10、一Where is the comic book?
一I brought it to you ________ you were in the reading room yesterday．
A．when B．if C．because D．before
试题答案
10、A 本题可以用排除法。if如果，是否；because因为；before在……之前，带入文中均不符合题意，故选A，表示“当……时候”。
一Where is the comic book?