(3) This I did at nine o’clock, after _______ I sat reading the paper.
At the moment of the sunset, the sky turns _______.
A doctor must be immediately sent for to __________ the seriously-injured boy.
Although she tried her best to make her work _______, yet she failed in the end.
If you go out, who'll _______ to the baby?
Our cadres, whether high or low in their official rank, are the people's public servant and _____workers.