问题
选择题
—I like your new leather boots!
—Thanks．I had to try on almost a dozen pairs ______ I decided to get them．
A．as
B．when
C．after
D．before
答案
答案：D
介词辨析. A．当做 B．当……时候C．在……之后 D．在……之前。根据题意，谢谢。在我决定买它之前，我几乎试了十几双。故选D。