问题
选择题
Lucy likes English, _____ her twin sister Lily likes Chinese. [ ]
A: when
B: while
C: since
D: because
答案
答案：B
搜题请搜索小程序“爱下问搜题”
Lucy likes English, _____ her twin sister Lily likes Chinese. [ ]
A: when
B: while
C: since
D: because
答案：B
，它可以发生的反应类型有