In teaching it is highly___to know exactly what one is hoping to achieve. A.desirable B.pleasurable
问题描述：
In teaching it is highly___to know exactly what one is hoping to achieve. A.desirable B.pleasurable
C.anxiousD.competitive
答
A.desirable 值得要的
语意：在教育时,知道个人希望达成什么是值得的.
根据句意,B.pleasurable （愉快的） C.anxious （焦虑的） D.competitive （竞争性的）不合适.（语法上均没有问题.）