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 answer is C. 问题: 句中 than the correct forms they use已经有动词use, 为什么C还要用do? |