They lost their way in the ___ (沙漠) and died of thirst.
It was very c______ of you to offer to drive me home.
How can I repay your many ______(友善行为).
A lot of workers are absent because of ______(疾病).
Make sure you put out your savings at a high r______ of interest.
She’s very ______(谦虚) about her success.