题目内容
If these two colors, being color-blinded can be diagnosed.
| A.not distinguished |
| B.one can’t distinguish |
| C.not distinguishing |
| D.one not having distinguished |
B
考查复合句。根据题中的if连词可知后面要跟句子所以只有B选项正确。
练习册系列答案
相关题目