Ⅰ.你知道吗?
1)A:How many months are there in a year?
B:There are twelve. They are ____________,____________,____________
____________, ____________,____________,____________,____________,
____________,____________,____________,____________.
2)A:Hello!I'm Number One.
B:Yes,you are so early today.You are the first person.
one—1st first two—2nd____________
three____________ four____________