问题
选择题
They discussed and discussed until a lot of people _____. [ ]
A. joined in
B. joined
C. took part in
D. attended
答案
答案：A
搜题请搜索小程序“爱下问搜题”
They discussed and discussed until a lot of people _____. [ ]
A. joined in
B. joined
C. took part in
D. attended
答案：A