问题
选择题
She _______ her hairstyle in her hometown before she came to Chongqing for a better job.
A．would change
B．has changed
C．changed
D．was changing
答案
C
此题考查时态辨析。由于从句时态是过去时，证明B项不能用；change是非延续性动词，D项也用不了；改变发型在先，去重庆在后，所以A项也被否定，但如果would 改为had to也正确。