My hobby is swimming. I ___ up this hobby 5 years ago. I go to the swimming pool five times a week. My swimming pool is very good. The pool is 25 metres long and it has six lanes. ___ than a thousand children have swimming lessons there every month. My swimming instructor is experienced and friendly, but he is also strict. He teaches us to swim ___ in water. This month he ___ me to improve my backstroke. Every month I take part in competitions. I ___ ten medals since last year.

1. A: take, B: Much, C: well, D: help, E: have won.
2. The sentence requires the simple present tense for the first blank (A), a quantifier for uncountable nouns for the second blank (B), an adverb for the third blank (C), the base form of the verb for the fourth blank (D), and the present perfect tense for the fifth blank (E).
3. The completed text reads: 'My hobby is swimming. I take up this hobby 5 years ago. I go to the swimming pool five times a week. My swimming pool is very good. The pool is 25 metres long and it has six lanes. Much than a thousand children have swimming lessons there every month. My swimming instructor is experienced and friendly, but he is also strict. He teaches us to swim well in water. This month he help me to improve my backstroke. Every month I take part in competitions. I have won ten medals since last year.'