The doctors are ________ about the guidelines under which they can carry out euthanasia.
A、atastretchB
本题考查的是短语区分。A.不休息地，连续地;B.不知所措，茫然，不了解;C.任意的，随便的;D.最后，终于。句意：医生们不了解执行安乐死的准则。
This offer is firm, subject to your immediate reply ____ should reach us not later tha n the end of this mon th.( )
We _______ if you could give us whatever information you can in this respect.
You must be responsible for all the losses ____ from your delay in opening the covering L/C.
On average about ￡5000 a year is spent on each private school pupil,_______ the amount spent on state school pupils.
We have lodged a claim ______ the seller for the shortage of shipment ______ S.S. DONGFENG.
