问题
选择题
______ kind-hearted people join the volunteer project every year. [ ]
A. Thousand
B. Thousands
C. Thousand of
D. Thousands of
答案
答案：D
搜题请搜索小程序“爱下问搜题”
______ kind-hearted people join the volunteer project every year. [ ]
A. Thousand
B. Thousands
C. Thousand of
D. Thousands of
答案：D
