Days of the week

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Across
  1. 2. The number of days in a week.
  2. 4. It has 7 letters in the name of this day of the week.
  3. 5. It is not a school day, but we can go to school for LWL.
  4. 6. The first school day in a week
Down
  1. 1. It has the most letters among all the names of the days of the week.
  2. 2. The day before Monday.
  3. 3. 星期五
  4. 4. The first letter of the name of this day of the week is the same as Tuesday.