At the school gate, Jenny found a knife ________ on the ground.
[ ]
We are too ________. Let's stop________ .
Sorry, I have kept you ________ for a long time.
The workers were busy ________ a hospital when I passed the place.
Why ________ here for another three days?
The tree is so high. It's ________ dangerous ________ climb.
Rose was seen ________ the house just a few minutes ago.
There are four answers here. I really don't know ________ .
Could you tell me ________ to the railway station?
It took him fifteen minutes ________ to the station.