Question

They looked _____ each other and kept their secrets _____ themselves.

A．for; to

B．at; for

C．at; to

D．out; at

Answer 1

C

试题分析：look at 看：look for 寻找；look out当心；keep one's secrets to sb 信守承诺。句意：他们相互看着对方，对自己信守承诺。故选C.
点评：固定短语的考查也是英语考查的一个重点，熟记这些短语结构可以减少答题中的分析判断时间，所以平时加强短语记忆也是学好英语的关键环节。