for a long time,being happy was considered nature.怎么翻译？

we work for a long time.for? 是不是只有for a long time,没有for long time和for long times? for long与for a long time的区别 we waited a long time for the bus为什么是a long time 而不是long time the long time i waiting for you a long time we work for a long time. He_________(work) there for a long time It's raining for a long time? 英语翻译_____ for a long time Has it beensnowing for a long time? I waited for her for a long time (对for a long time 提问) 几道高中英语单选,1.Some people haven't realised sth ao common as_____ to the sun for a long time will do harm to their skin and even cause skin cancer.A.exposing B.exposed C.having exposed D.being exposed2.It is sad to see the old museum bein so long 和for a long time 有什么区别 Darling!for a long long time love!把Darling!for a long long time love!翻译成中文 We have been waiting here a long time for the guest.句中a long time 做什么成分?能用long time,the long time,some long time she's kept computer for a long time对for a long time 提问 After having worked for a long time,.还是After working for a long time,. After working for a long time,.但为什么是Having working for a long time.