Most Americans would prefer to keep their problems themselves, and solve their problems themselves.
A. to; by
B. by; to
C. for; to
D. in; on
网友回答
(答案→)A. to; by
B. by; to
C. for; to
D. in; on
解析：答案：A。句意：大多数美国人宁愿有问题自己扛和靠自己解决问题。考查介词。keep sth. to oneself＝not tell other people about sth.不把某事告诉别人。如：I'd be grateful if you kept this information to yourself.这事你若能保密则不胜感激。by oneself“单独地，独自地”。