问题
选择题
to looking after her sick mother for two years,she badly needed a holiday.
A．Having devoted
B．Devoted
C．To be devoted
D．To have devoted
答案
答案：B
本题考查非谓语动词。be devoted to致力于，专心于，在句中作状语，故选B。句意：专心于照顾她生病的母亲两年了，她非常需要一个假期。
面与邻牙不一致