Прочитайте текст. Вставьте вместо каждого пропуска, обозначенного буквой, подходящую по смыслу грамматическую форму, выбрав её из трёх предложенных вариантов (1, 2 или 3).

My hobby is swimming. I A took up this hobby 5 years ago. I go to the swimming pool very good. The pool is 25 metres long and it has B Many than a thousand children have swimming lessons there every month. My swimming pool is very good. The pool is 25 metres long and it has C better experienced and friendly, but he is also strict. He teaches us to swim. This month he D help me to improve my backstroke. Every month I take part in competitions. I E won ten medals since last year.