My bike is broken. May I go ______ yours? Sorry, mine _______ broken down.
A:on, is
B:by, is
C:on, has
D:by, has
下列说法中正确的有( )①同位角相等. ②凡直角都相等. ③一个角的余角一定比它的补角小.④在直线、射线和线段中,直线最长. ⑤两点之间的线段的长度就是这两点间的距离.⑥如果一个角的两边分别平行于另一个角的两边,则这两个角一定相等.
填一填.
____ ____Liu Tao ____ last week?