Unit4B第Ⅰ题答案
Unit4B第Ⅱ题答案
略
Unit4B第Ⅲ题答案
1、doing改为do
2、mothers'改为mother's
3、are改为is
4、21th改为21st
5、on改为in
Unit4B第Ⅳ题答案
When,on,too,will,do,have,birthday
Unit4B第Ⅴ题答案
Unit4B第Ⅵ题答案
1、The kittens are six days old
2、Teachers' Day is on September 10th
3、What will you do?
4、Will you play football?
5、We can have a birthday party
Unit4B第Ⅶ题答案
Unit4B拓展空间第Ⅱ题答案
eighth ninth eleventh twelfth fifteenth
twentieth thirty—first forty—second fifty—third