The Times was first printed two hundred years ago

4.The Times was first printed two hundred years ago. =>.It is two …….…..
5.I last saw her 5 years ago. => .It’s 5 years .……..
11.My parents have been working in this factory for over 20 years. =>Over 20 years ago ……..
12.He has been working in this factory for 15 years. =>.He started………………………………
14.We have been learning English for one year. =>.We began …..…
15.I have been studying business administration in London for 2 years =>.I began………………..……. 40.When did he started working for the company? =>How long .......................................?