问题
选择题
-Are there trees on the hill?
-Yes, there are .[ ]
A. some; any
B. any; some
C. any; any
D. some; some
答案
答案：B
搜题请搜索小程序“爱下问搜题”
-Are there trees on the hill?
-Yes, there are .[ ]
A. some; any
B. any; some
C. any; any
D. some; some
答案：B
Fe2＋＋Cr3＋。下列说法一定正确的是