6. 你想要这个,应该说:__________
4. four + five = __________.
8. 找出不属于同一类的单词。
5. 你有5岁,应说:__________
1. How many __________?
7. —— What's this? —— __________
3. —— How many books in your bag?(你书包里有几本书?) —— __________.
2. They __________ my brothers,John and Sam.