问题补充：
---Whose badminton racket is this? It looks nice. How much is it ?
---Sorry, I don’t know.
A. cost
B. pay
C. spend
D. worth
答案：
A. cost
B. pay
C. spend
(答案→)D. worth
解析：句意：这是谁的羽毛球拍吗？看上去不错。它要多少钱？“对不起，我不知道。take：物+take+sb+sometime to do花费多长时间做某事；cost：物+cost+sb+somemoney花费某人多少钱；pay：人+pay+somemoney+for+sth花费某人多少钱；spend：人+spend+somemoney、sometime；spend in doing；spend on。worth： be worth + n. 当名词为金钱时，表示…… 值得…… ；be worth doing sth. ……某事值得被做。所以选D。
