题目内容
17..In the United States, bus travel doesn't cost much as train travel, ?
18.
| A.don't they | B.does it | C.do they | D.doesn't it |
B
解析
练习册系列答案
相关题目
题目内容
17..In the United States, bus travel doesn't cost much as train travel, ?
18.
| A.don't they | B.does it | C.do they | D.doesn't it |
B
解析