Question

【题目】Your spoken English will certainly improve ______ you practice it

every day.

A. though B. before C. if D. until

Answer 1

【答案】C

【解析】句意：如果你每天练习，你的英语口语肯定会提高。考查连词辨析题。A. though尽管，表转折；B. before……以前，表时间；C. if如果，表条件；D. until直到……才，表时间。根据句意，可知本句前后是限定条件关系，ABD三项均不合句意，故选C。