在3.64 10.0909…… 0.55151 0.6251……这四个数中，有限小数有（ ）， 循环小数有（ ）。
2；2
期货公司与其控股股东在（）等方面应当严格分开，独立经营，独立核算。
A.业务
B.人员
C.资产
D.场所
If you don't know the answer to something, you say: "_______" [ ]
A. Sorry, I don't understand.
B. I'm sorry. I don't know.
C. Can you speak English?
D. Excuse me. How do you say that in English?
