There are over twenty ________ visitors visiting the park.
There’s _________ 800-metre-long road behind _________ hospital.
It _______ over 10 years since my grandpa _______.
The factory ________ for more than ten years.
---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.