问题
选择题
Such signs _____ we use in the experiment ______ Greek letters. [ ]
A. as, are
B. as, is
C. that, are
D. that, is
答案
答案：A
搜题请搜索小程序“爱下问搜题”
Such signs _____ we use in the experiment ______ Greek letters. [ ]
A. as, are
B. as, is
C. that, are
D. that, is
答案：A