问答题：
1、There are seven days in a week.
2、They are Sunday,Monday,Tuesday,Wednesday,Thursday,Friday and Saturday.
3、There are thirty-one days in January.
4、There are twenty-eight days in February.
5、There are twelve months in a year.
6、They are January,February,March,April,May,June,July,August,September,October,November and December.
填空题：
1、tenth
2、on
3、are
4、November
5、in
6、are