题目:The school rules state that no child shall be allowed out of the school during the day, ______ accompanied by an adult.
A. once
B. when
C. if
D. unless
喵查答案:D
本题考查省略的状语从句的连接词。句意……继续阅读 »
题目:The ____________ shoes were covered with mud, so I asked them to take them off before they got into __________ car.
A. girl’s; Tom’s
B. girls’; Toms’
C. girls’; Tom’s
D. girl’s;……继续阅读 »