the doctors have tried every---------(treat)to save the person's life

the doctors have tried everything they can___(save)the sick and injured 为什么 injured the doctors have tried every---------(treat)to save the person's life Doctors now have the opportunity to save life before it is even born!中文 French doctors and American scientists have reported doing an operation in which the doctor was out and though doctors have tested many times on the reason of colour-blindness. Doctors now have no idea about the reason of colour-blindness most of the doctors是什么意思? the doctors的名词所有格 The doctors have not yet decided how the woman died.请问：这里的yet是干什么的?能否去掉? 英语翻译Doctors have to…… 这句英语句子可以改成这样吗When the cloning technology improves so quickly,many scientists and doctors have different opinions改成 The cloning technology improving so quickly,many scientists and doctors have different opinions the number of doctors in our country has greatly increased since liberation.这里为什么用has而不是have The doctors have tried everything humanly possible to save his life.名词 形容词 副词 在一起怎么排序. The patients will have to wait all day___the doctors work faster.A.untilB.unless为什么选A I have just been to I have got a bad cold A.the doctor B.the doctor's C.the doctors D.doctor's ( ) are needed in the hospital.A.Man doctors B.Men doctors C.Woman doctors D.Women doctors Tri-angle 英语翻译If one doctor doctors anther doctor,does the doctor who doctors the doctor doctors the doctor the way the doctor is doctoring doctors?Or does the doctor doctor the way the doctor who doctors doctors?