根据括号中所给的汉语写出单词，使句子意思完整正确。

小题1:There’s something wrong with my computer. I have to         （重启） it.

小题2:Simon wants to have a robot with four small         （轮子）.

小题3:I want to go to the bookshop. Could you         （借） me your bike?

小题4:The young mother told her child not to play with the         （锋利的） knife.

小题5:Everyone should try to be _________（有礼貌的） and helpful to others.

会见______商人要注意礼仪，第一次见面必须交换名片，主人总是首先递名片。

A．韩国
B．英国
C．日本
D．巴西