Complete the questions with tag endings.

1.It*s very windy and cloudy today , __________? 
2.They spent two weeks in London, __________?
3.Martin won*t go to the Africa next month, _________?
4.She works hard in the lessons,_____________?
5.George didn't spend the summer in the country,____________?
6.You can't repair the bike by yourself (сам),______________?
7.Den and Tom will take part in competition,_____________?
8.Mr Brown gives a lot of homework,_______________?