Timesarechangingandtheworldisnotassafeasitoncewas,
来源:语文精选馆 1.55W
问题详情:
Times are changing and the world is not as safe as it once was, ______ is one reason many children have a cell phone with them.
A. what B. who C. that D. which
【回答】
D知识点:定语从句
题型:选择题