【2012 贵州遵义】28. Help others whenever you can_______ you’ll make the world a nicer place to live in.
A. or B. and C. but
【答案】B 考查连词用法。根据题意“无论何时帮助别人,你都会让世界成为一个居住的好地方”,等同于肯定意义的条件句。相当于结构“祈使句+and +将来时”,故选B。
【2012 贵州遵义】37. —How was your climbing Mount. Huang?
—I didn’t believe I could do it _______ I got to the top.
A. until while C. after
【答案】A考查连词用法。not…until…直到……才……。根据句意“直到我爬到山顶我才相信我能做到”可知选A。
【2012江苏泰州】11. Cross the road carefully, ____you’ll keep yourself safe.
A. so B. or C. but D. and
【答案】D考查连词辨析。so “因此”; or以为“否则”;but表示转折;and理解为“那么”,用于表示并列。根据题意“小心穿越马路,能保证自己安全”可知用and 连接。