How can you expect him to make any progress you never give him a chance to have a try?A．when B．unles

查询谷 - www.chaxungu.com

编辑：chaxungu时间：2026-04-27 02:45:48分类：高中英语题库

【题目】How can you expect him to make any progress ______ you never give him a chance to have a try?

A．when B．unless C．once D．until

在线课程

【答案】A

【解析】

试题分析：考察连词辨析。A. 当…时B.除非 C. 一旦D.直到。句意：当你从未给他机会去尝试，你怎么能期待他取得进步呢？故选A。