1、this specialpen was invented by Zhang jie .
2、Jim my.fixed up the bike.
3、sung glasses were used by people to prote cttheir eyes.
4、 students are allowed to put up hands in class.
不懂追问.
1、this specialpen was invented by Zhang jie .
2、Jim my.fixed up the bike.
3、sung glasses were used by people to prote cttheir eyes.
4、 students are allowed to put up hands in class.
不懂追问.