问题补充：
I don’t think the watch will much. It is ＄30 at most.
A. cost, worth
B. worth, cost
C. spend, worth
D. worth, spend
答案：
(答案→)A. cost, worth
B. worth, cost
C. spend, worth
D. worth, spend
解析： 词义辨析.cost花费,动作主体为物,spend花费,动作主体为人,worth值.根据题意,我认为这块手表不会花太多钱.他顶多值三十美元.选A.
