我国的公务签证一般发给持公务护照、官员护照、特别护照、普通护照的外国人。
参考答案：错
- Do you remember the old man _____ a big dog?
- Yes. I was afraid of it when I passed his house.
A．used to having
B．used to have
C．was used to have
D．was used to having
若方程（m-2）x|m|-1+2=m是关于x的一元一次方程，则m=______．
