题干
_________ that it’s very cruel to kill wild animals for money.
A：It is no doubt
B：There is no doubt
C：It is not doubt
D：There is not doubt
答案(点此获取答案解析）
B
A：It is no doubt
B：There is no doubt
C：It is not doubt
D：There is not doubt
，6只在河里游水，10只在草丛里，还有3只在河边上，一共有多少只鸭子?
