23、they have nothing to do every day 他们每天无所事事 have +名词to do　　　　　　　　　 　　　　　　　I have (quite) a lot of homework to do 我有(相当)多作业的要做　 　　

22、in the forest 在森林里　 go/walk　 through(经过) the forest 穿过森林

21、I think it looks /is like a chicken. 　　I think+句子(不能用否定句，要把否定转移到主句) 　

→I don’t think it looks like a chicken.　

20、be friendly to sb　 对某人友好

19、many other +名词复数　　 some other +名词复数

18、 a toy animal→toy animals　 a baby monkey→baby monkeys　 girl student→girl students

woman teacher→women teachers　 man doctor→men doctors

名词+名词→复数：(1)一般只变后者；(2)当前面的名词是woman，man时，前后都变。

17、on holidays 在假期里

16、take sb to+地点 (there /here/home之前要省略to) 带某人去某地

15、Do you think +句子(用陈述句语序)Do you think it is good for animals to stay in the cages.

14、It is +形容词 (for sb )+to do sth　 It is dangerous to climb the tall tree.