Things aren't going as well as ____(选择:plans,planned,planning并说明原因)

答复如下：
选planned（过去分词），表被动。
全句的意思是：情况（进行得）没有计划的那么好。

planned

Things aren't going as well as (which was) planned. 括号内为省略成分，

表示“已经计划的”，所以用过去式。

planned
as well as planned 情况进行得并不如计划的那么好。

planed 被动所以用planed