搜题请搜索小程序“爱下问搜题”
问题
选择题
Show me _______ big letter "A".
A. the
B. THE
C. a
D. an
答案
答案：
C
解答题
在△ABC中，已知（a
2
+b
2
）sin（A-B）=（a
2
-b
2
）sin（A+B），判断△ABC的形状．
查看答案
选择题
Do you still remember ber?________her as much as I do now for a long time.
A．haven’t missed
B．don’t miss
C．am not missing
D．didn’t miss
查看答案
