1.
happy开心的, sad伤心的, hungry饥饿的,
thirsty口渴的, excited兴奋的, tired疲惫的, not不
2.
How are you?
你好吗?
I am happy!/ I am not happy!
我开心!/我不开心!
I am sad!/ I am not sad!
我伤心!/我不伤心!
I am hungry!/ I am not hungry!
我饿了!/我不饿!
I am thirsty!/ I am not thirsty!
我口渴!/我不口渴!
I am excited!/ I am not excited!
我兴奋!/我不兴奋!
I am tired!/ I am not tired!
我累了!/我不累!
3.
A: Hello, ………….!
A: 你好,......!
B: Hi, ………….!
B: 你好,.......!
A: How are you?
A: 你好吗?
B: …..……….., thank you, and you?
B: .......,谢谢你,你呢?
A: ……..……., thank you!
A: .......,谢谢你!
B: Bye-bye!
B: 再见!
A: See you!
A: 再见!