房地产市场调研的目的可以通过探测性调研、描述性调研、因果性调研和( )来确定。
A．现时性调研
B．定性调研
C．预测性调研
D．回顾性调研
参考答案：C
Amy is _ the farm. [ ]
A. at
B. for
C. with
I’ll work hard to make a lot of money ______ I can buy a big house.
A．if
B．because
C．although
D．so that
