— I rang you up last night, but nobody answered.— Oh, I usually ________ off my phone at about 9:00 p.m.

— Why do you do volunteer work in the North-West?— I___ to improve the lives of the children there through my efforts．

The thief______ when he was stealing a wallet from a woman. 

Last month, the Japanese government expressed their thanks for the aid they ______ from China.

By the time you _________ your work this evening, I will be watching my favorite Korean TV series.