题目内容：
第39题答案。
A．cost B．costs
C．costing
参考答案：
答案解析：
单选题：第39题答案。
- 题目分类：初级
- 题目类型：单选题
- 查看权限：VIP
B．costs
C．costing
B．costs
C．costing
11__________
11__________
(18)__________
(18)__________
In this part of the test, the examiner reads out a scenario
In this part of the test, the examiner reads out a scenario and gives you somep
How much do bicycles made of all steal weiigh?
How much do bicycles made of all steal weiigh?A．B．C．
After the worst start to the year in living memory, sales r
After the worst start to the year in living memory, sales reached an amazing pe