问题
选择题
Lucy and Lily ______ sisters. They study at the same school. [ ]
A. be
B. am
C. is
D. are
答案
答案：D
搜题请搜索小程序“爱下问搜题”
Lucy and Lily ______ sisters. They study at the same school. [ ]
A. be
B. am
C. is
D. are
答案：D