Question

12. It just isn’t fair; I was working as a waiter

last month,my friends were lying on the beach.

   A. whenever   B. though

   C. for       D. while

Answer 1

12. D

12. D解析:句意:这真不公平，上个月当 我在做服务员的时候，我的朋友们正躺 在沙滩上。表示“与此同时”用while , 引导时间状语从句。