In time we reached a stage ____ we had more young readers than old ones. [ ]
题型:模拟题难度:来源:
In time we reached a stage ____ we had more young readers than old ones.
[ ]
A. where B. how C. who D. what
答案
A
举一反三
The National Education Department says again school safety has set off alarm bells with frequent serious accidents _____ students got injured or even killed.