同义句是：
Our English teacher has worked in our school【since fourteen years ago】
翻译是：我们英语老师自从14年前就一直在我们学校工作
for fourteen years=since fourteen years agoThe young man bought his grandmother a new iPad as her birthday presentThe young man bought ___ ___ ___ ___ ___ ___as her birthday present你好，同义句是：The young man bought【a new iPad for his grandmother】as her birthday present.短语buy sb sth=buy sth for sb（买东西给某人）祝你开心望采纳谢谢