—Credit cards are useful when traveling.
—True. They save us the trouble of taking too much cash.
A. particularly
B. partly
C. exactly
D. gradually
网友回答
(答案→)A. particularly
B. partly
C. exactly
D. gradually
解析：词义辨析。Particularly特别，尤其；．Partly部分的；exactly准确的；gradually逐渐的。信用卡在旅游时特别有用。是的。给我们省去了带大量现金的麻烦。所以选A。