The operation on sandy's broken leg___ three hoursa lastedb spent c includedd cost

The doctor put him on a diet after operation.这句话是否错了?operation前面为啥没冠词? 有一句话：...the reporting on operation of the cement plants in the JV. the requested clipboard operation the sameness in operation the operation has timed The operation has The train CQ1,________ trial operation on the Shanghai-Hangzhou high-speed 为什么用starting The doctor is busy p______an operation on the sick man.这是一道缺词填空 You don’t have to dwell on the mistake in the operation 翻译成中文 The operation on Sandy's broken leg ___three hours.A.lastedB.spentC.includedD.cost The operation on sandy's broken leg___ three hoursa lastedb spent c includedd cost focuses on the operation of international firms in host countries怎么解释? Be responsible for the operation of production line (running on shift) 括号内的是什么意思 Comment on the operation of Microsoft China and give your suggestions for Comment on the operation of Microsoft China and give your suggestions for improvement San It was zero hour and the doctor began the operation on the man 中zero hour的意思 After the operation什么意思