从括号内选择适当的词语完成句子。 1. I don't like doing the housework (so/because) it's boring. 2. The most popular clothing store is Jason's. Because it has the (best/worst) quality clothing. 3. Bill dislikes dogs but he likes ( other/else) small animals. 4. Mrs Green likes cooking because she thinks it's ( boring/relaxing) . 5. This math problem is too difficult. I can't work it ( on/out) .