Kevin teaches (1) ____ at a high school. He enjoys his teaching very much, and he always feels very self-confident and proud when he is standing on the teaching platform. Some of his ex-classmates have just offered him a chance (2) _____ them in a new company to produce computer software for businesses. Everyone thinks that it (3) ____ very well. Kevin will probably earn more money than he does at the high school. The new company is (4) ____, and the money may be good in deed. (5) ____, Kevin can hardly quit his teaching job! He loves it.