求助语法二道题,谢了

mfzd2003

28． The mistakes children make in learning to speak tell linguists more about how they learn language than the correct forms they use.
（A） how they learn language than
（B） how one learns language than
（C） how children learn language than do
（D） learning language than
（E） their language learning than do

选c  do什么用法

29． Building 1arge new hospitals in the bistate area would constitute a wasteful use of resources， on the basis of avoidance of duplicated facilities alone.
（A）on the basis of avoidance of duplicated facilities alone
（B）on the grot1nds of avoiding duplicated facilities alone
（C）solely in that duplicated facilities should be avoided
（D）whi1e the duplication of facilities should be avoided
（E）if on1y because the duplication of facilities should be avoided
选e  句子读不顺

1stzhang

1、do 代替tell

2、你是哪里的问题

lyricling

第一题，是mistakes 与the correct forms 比，do代替前面的tell.

第二题，表面的上和谐与否不是语法考察的主要考虑，关键是语意要清楚正确。要避免的是duplication of facilities这种行为的结果。