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
人气：320 ℃ 时间：2019-10-26 08:28:57
解答
选A.when possible=if possible
B项应该为“where it is possible"
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