He has been in power ten years since he came to power.麻烦告诉我,要速度哦

He has been in power ten years since he came to power.麻烦告诉我,要速度哦 he has been in english since last It has been 5 years since this party----.如题 It has been 5 years since this party----.用came to power 为什么不能用 in power He has been to Beijing和He has been in Beijing有什么区别? He has been to many places in the USA.这里的has been you father has (been /gone) to China.he has been in Beijing for two weeks He has been there for six months.为什么不是has been in there? he has been learning english for 2 years in college. How long has he been in the hospital?翻译 He has been in Canada for seven years .同义句 he has been in english since last 什么意思 where in city he has been this 连词成句 He has been in the army since 1999. 英语翻译：He has a lot of power,but likes to remain in the background. He has never been in London和He has never gonHe has never been in London和He has never gone to London表达们意思一样吗? 请英语达人帮忙解释一下这个问题（有关过去完成时的）He ___________for ten years,but still doesn't want to leave office.A.had been in power B.has come to powerC.has taken office D.came into power请问问什么使用过去完成 He has been ill for several weeks,so he has ______ in learning Maths. where is jim he has gone to his country 或he has been in his country