[单选题]It is no good English without speaking English．

正确答案 ：C

learning

[单选题]

正确答案 ：C

do

解析：答案为D。当两个相同的动作做比较时，为了避免重复，常用助动词代替前面出现的动词。

[单选题]Ⅱ. Vocabulary and Structure (15 points)Directions: There are 15 incomplete sentences in this section. For each sentence there are four choices marked A, B, C and D. Choose one answer that best completes the sentence and blacken the corresponding letter on the Answer Sheet.

正确答案 ：D

had done

解析：

    6．答案为C  指到过去某叫为止的事情。

查看原题 点击获取本科目所有试题