_________, he is still as modest as before,which always moves all the people who know him.

I didn’t see her in the meeting room this morning. She _______ at the meeting.

The old lady had expected to see all her relatives when she was ill in hospital, but none came to see her ______ many of her neighbors offered their help

He has devoted most of his time and energy _______ a cure for the disease.

Even a mighty express train can be held up by signals. Which of the following words can be used to replace “held up”? [ ]