问题
选择题
At school, some students are active ______ some are shy, yet they can be good friends with one another.[ ]
A. while
B. although
C. so
D. as
答案
答案：A
搜题请搜索小程序“爱下问搜题”
At school, some students are active ______ some are shy, yet they can be good friends with one another.[ ]
A. while
B. although
C. so
D. as
答案：A