Maria was able to_ _（使.振作起来）the family by.
问题描述：
Maria was able to_ _（使.振作起来）the family by.
答
cheer up为什么呢？cheer up可及物，意为使。。。振作，也可不及物，意为振作，根据题意就应该添cheer up啊。
Maria was able to_ _（使.振作起来）the family by.
cheer up为什么呢？cheer up可及物，意为使。。。振作，也可不及物，意为振作，根据题意就应该添cheer up啊。