为了鼓舞医院里的孩子们,这位年轻的志愿者常去为他们唱歌。
This young volunteer often sings for the children at the hospital to ____ them up.
答案
cheer
知识点:动词短语

分析句意,需要填动词短语“cheer up”意为鼓舞。故正确答案为cheer。

略
