好久不见的说法：
1.It is a long time since we met last.
2.Haven't seen you for a long time.
3. Long time no see.
今天见了，心情很好的说法：
1.I was in the best of humours when we met.
2. I found myself in good temper when we met.
3. I appeared to be in a jovial mood when we met.
我玩得很开心的说法：
1.I enjoyed myself very much .
2.I had a good time .
3.I had a wonderful time .
4.I had a terrific time .
5.I had fun.
