If you want to a pleasant visit, find out as much as possible about the manners and customs of your host country.
A. ensure
B. deserve
C. secure
D. serve
网友回答
(答案→)A. ensure
B. deserve
C. secure
D. serve
解析：考查动词词义辨析。ensure 确保 ；deserve 应得；secure 获得安全，保护；serve 接待，服务；提供；句意：如果你想保证有一个愉快的参观，要找到你所需要去的国家的尽可能多的信息。故A正确。