问题
选择题
----Your watch is so beautiful. It must be expensive.
----Not at all. It only ____ $4 .
A. cost B. spent C. took
答案
C
主语为it表示花费通常用take，本题为过去时用took，故本题选C。
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----Not at all. It only ____ $4 .
A. cost B. spent C. took