How long have they been waiting for the phones？A．Under a week.B．One week.C．One month.D．Mor

How long have you been looking for a job？你为找工作花了多长时间？

How long have you been looking for a position？你花了多长时间寻找自己的位置？

How long have you been looking for a position？你花了多长时间寻找自己的位置？

How long have you been _（) on board？A.workingB.makingC.acting

Scientists have long been interested in how the deaf process signed languages in the bra

They must have been enjoying themselves there, or they______so long.A．can"t have stayedB．w