Tohisdisappointment,hefailedto

问题详情：

To his disappointment, he failed to ________ himself to the new environment.

【回答】

adapt　考查动词。句意：令他失望的是，他未能适应新环境。adapt oneself to“使自己适应”，符合句意。

知识点：动词

题型：选择题