A 根据汉语意思完成句子
1.The teacher did an______________(实验)yesterday.
2.Oue maths teacher often makes his class________________(活泼)
3.He has many good ______________(个人) qualities.
4.My father had a toothache, he went to see a _____________(牙医).
5.There are many _______________(区别) between British English and American English.
