试题题干
Harold Palmer taught English as second language for 
years at the University of London and then for seven years in Japan.
参考答案
试题解析
Harold Palmer在伦敦大学教授英语为第二语言8年，然后在日本教授了7年。
Harold Palmer taught English as second language for years at the University of London and then for seven years in Japan.
Harold Palmer在伦敦大学教授英语为第二语言8年，然后在日本教授了7年。