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。
By joint efforts we can ___ both friendship and business.( )
You’ll be there tomorrow -- you won’t ________ me ________, will you ?
_______ he goes, she will go, and she never cares _______ happens.
He had rebelled against his father wickedly, but he had died without even so much as confessing he was ______.
After some very trifling stupid ______, she ventured to ask whether it was true that he was going away.
