Many doctors took an active part in the battle against SARS.这句话中active前为什么加an?我想知道的是为什么加冠词。不是加an还是加a的问题

Many doctors took an active part in the battle against SARS.这句话中active前为什么加an?我想知道的是为什么加冠词。不是加an还是加a的问题 Many doctors ride to hospital.改为同义句 Many doctors go to hospital___ ___. 请翻译：Guo took off on an adventure many dream about, but few go through with it.many 为何在中间 about 是副词? she also took many photo with an elephant from South Africa 的同义句那she also took___ ___ photos with an elephant from South Africa .空里填什么？ Many women doctors wear glasses ,too.的中文意思是什么 I have many friends,most of( ) are doctors.I have many friends,and most of( )are doctors. There were many volunteer doctors here.________ ________ ________ many volunteer doctors here.改为同义句,3空 They took many nice p____.首字母填空 but it took another week for the doctors to cure his attack. an apple a day keeps doctors away 出自哪 翻译：An apple a day keeps the doctors away. many students ________ in yesterday's sports meeting.A.joined B.took parti will ______ an important meeting tomorrow morning.A.attend B.take part in How many ( ) are there in the hospital?A.man doctors B.men doctors C.mans doctors D.men doctor急,说明理由 How many ____are there in the hospital A women doctor B women doctors C woman doctors D woman docte Now there are many _____ in our company.A.woman doctor B.women doctorC.woman doctors D.women doctors I took an instant liking to last week we took an english? 一段英语短文的中心句的问题-----------高手帮忙There is an old saying in English:“Laughter is the best medicine”.Until recently,few people took the saying very seriously.Now,however,doctors have begun to investigate laughter and th