问题补充：
We tried our best to , but she didn’t stop crying.
A. call her up
B. cheer her up
C. give her up
D. wake her up
答案：
A. call her up
(答案→)B. cheer her up
C. give her up
D. wake her up
解析：call up打电话给，召集；cheer up使……高兴起来；give up放弃，交出；wake up醒来，唤醒。句意：我们尽力使她高兴起来，但是她就是不住的哭。结合语境可知选B。
