Question

—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

Answer 1

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。