Question

【题目】You wouldn't believe how quickly my English _____ because of that so far.
A.is improving
B.has improved
C.is improved
D.improves

Answer 1

【答案】B
【解析】句意：你不会相信迄今为止因为那个原因我的英语提高得多么快。根据时间状语so far到目前为止，此处用现在完成时，故选B。