以下哪些要素是属于远期利率协议市场的？（）
A、期限
B、参考利率
C、贴现利率
D、支付周期
参考答案：A, B, C
Change the forms of the following sentences. 句型转换。
1. We will go to the park.（对划线部分提问）
2. I think it's going to fly.（变为否定句）
3. I look like my mother.（变为一般疑问句）
4. Li Ming is twelve. I'm eleven.（变为一句话）
5. Do you like spring flowers ?（做肯定回答）
-- Why didn’t you come to attend our party last night ?
--- Sorry, Ｉ__________ an interesting programme on TV with my sister.
A．was watching
B．watched
C．have been watching
D．had watched
