试题详情
- 单项选择题No discount will be granted（）you place an order for more than 1000 dozen.
A、if
B、unless
C、whether
D、butfor
- B
关注下方微信公众号，在线模考后查看
热门试题
- Which of the following is not an
- We confirm ____ purchased 2,000
- _____ our representative calls o
- Having been served supper，（）.
- Under no circumstances，（）goods o
- We are（）to have your enquiry for
最新试题