問題詳情
19.There are some health problems that, when ______ in time, can become bigger ones later on.
(A)not treated
(B)not being treated
(C)not to be treated
(D)not have been treated
參考答案
答案：A
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
用户評論
【步筱昕】評論
考察插入语状语分句when not treated in time省略的用法，可以还原为状语分句when they are not treated in time，当然可以认为是考查过去分词用法。