When Xie Lei made progress in her study
问题:
When Xie Lei made progress in her study abroad, her parents encouraged her to ____.
A.make it up
B.keep it up
C.build it up
D.lift it up
When Xie Lei made progress in her study abroad, her parents encouraged her to ____.
A.make it up
B.keep it up
C.build it up
D.lift it up