早教吧 育儿知识 作业答案 考试题库 百科 知识分享

Youcanseepeoplehavingafire-drill.A:hundredofB:fivehundredsC:fivehundredofD:hundredsof

题目详情
You can see ___people having a fire-drill.
A:hundred of
B:five hundreds
C:five hundred of
D:hundreds of
▼优质解答
答案和解析
D