Как сказать по- к сожалению ( вводное слово)?

к сожалению на языке будет unfortunately

часто в качестве вводного слова используют слово however, что значит однако.

2 how many minutes last lesson in an english school?

3 how old english children studying in primary school ?

4 the age at which british children finish primary school ?

5 does an english school number?  

6 how many in england begins the lesson?

  1 how in england put the assessment? the letters and numbers?

whether the brother now reads the book, whether he plays the computer, whether the grandmother sleeps, whether mum prepares a lunch, whether the grandfather the tv looks, whether the father reads, whether kate plays the piano, whether the brother listens to music, whether reks near to it sits.