《中国民航公务乘机通行证》“有效期”最长不得超过()个月,“前往地”栏最多只能填写()个(总局公安局初除外)
参考答案:3;4
When I met him the other day, it was the first time we ____ each other since we were at school.
A.saw
B.hadseen
C.wereseeing
D.haveseen
关于大小包头下面哪一项正确()。
A.大包头一定比小包头长
B.大包头一定比小包头短
C.大小包头长短很难比较