问题
选择题
This is _____ useful book that we all need to read it. [ ]
A. such an
B. such a
C. so
D. so a
答案
答案：B
搜题请搜索小程序“爱下问搜题”
This is _____ useful book that we all need to read it. [ ]
A. such an
B. such a
C. so
D. so a
答案：B
