My old neighbour Charles felt__________ after his children moved out.
---National Day is coming. What are going to do during the _____ holiday?---I will have a trip with my family.
When I passed the river, I saw some children ______ on the sand.
Mike take a bus to the office, but now he walking there.
—It’s too hot. Would you mind _______ the door?—_______, please do it now.
If you want to open a file, please __________ the icon.