2b
1、Ben Smith (wrote the
letter to Miss Li).
Because he wanted to thank
her (for giving money to
Animal Helpers and tell her
how Animal Helpers helped him).
2、She gave some money to Animal Helpers.
2c
1、group(n.)A group of students are going to Beijing.
2、disabled (adj.) We should help the disabled children
3、difference (n.) There are some differences between my brother and me.
4、imagine (v.) Can you imagine what's in it?
5、difficulties(n.) Are you having any difficuities?
6、normal (adj.)It's normal to feel nervous before an exam.
7、training (n.) They haven't finished training.
8、kindness (n.)Thank you for your kindness.
2d