词形变换（共10 小题，每小题1分，共10 分）

小题1:Our English teacher is       (friend) to us.

小题2:The pay phone is        (cross) from the library.

小题3:Our life today is much       (good) than before.

小题4:May is the        (five) month of a year.

小题5:Did you enjoy        (you) at Bob’s birthday party?

小题6:Who was the         (win) of the match?

小题7:Mary likes to eat       (potato).

小题8:Fish can’t live       (with) water.

小题9:     (do) your mother like surfing the Internet?

小题10:There       (be) a banana and two apples on the table.

某房地产开发商根据其竞争者的价格来制定自己开发的商品房价格，这种定价方法属于( )。

A．成本定价法

B．供求定价法

C．竞争定价法

D．未来收益定价法