She decided to devote herself _______ the problem of old age.
A. to study
B. studying
C. to studying
D. study
查看答案
填入动词的适当形式:Can you imagine yourself _______ in a lonely island? (stay)
She was praised for _______ the life of the child. (save)
She ought to be praised instead of _______. (criticize).
Is there any possibility of our _______ the championship? (win)