1. Fill in the blanks (65438+ 0 for each blank, *** 15)
1, there are () days in February in a normal year and () days in a leap year.
2. October has () weeks and () days.
There are () days in January, February and March in normal years.
4. Extracurricular group activities begin at 16 hours and end at 1 hour for 20 minutes, and the end time of the activities is () hours () minutes.
Xiaoming goes to school at 8: 30 every day and comes home from school at 1 1: 50. His time at school in the morning is ().
6. The business hours of a store are 8: 00- 19: 00. 19: 00 here means () pm, and the business hours of this store are () hours.
7. What can I fill in the following ()?
194×( )