What I want to suggest is that____,you should introduce the materials which you have collected tous in detail.A.when possibleB.where necessaryC.if soD.if not求详解
问题描述：
What I want to suggest is that____,you should introduce the materials which you have collected to
us in detail.
A.when possible
B.where necessary
C.if so
D.if not
求详解
答
A.when possible当可能的时候
B.where necessary当必要的时候
C.if so如果这样的话
D.if not如果不是这样的话
我觉得选B，我的建议是当必要的时候，你应该把你已经搜集的材料详细的介绍给我们。
答
选A.when possible=if possible
B项应该为“where it is possible"