填高地面应与城市建设相结合，填土的高度应( )设计洪水位。
A．高于
B．高于或等于
C．低于
D．无具体要求
参考答案：A
I _____ in New York for two years, but I’ve never regretted my final decision to move back to my motherland.
A．worked
B．was working
C．have worked
D．had worked
—_______ is your home from our school?
—It's about ten minutes' walk. [ ]
A. How long
B. How soon
C. How far
