Graduation is a good time to thank those who have helped you ______ the tough years.
There is a small object _____ a pin on the desk.
His uncle went abroad in 2010, and __________ since.
It's a rule for all the students to _____ their places ahead of 5 minutes waiting for the class to be started.
On his way home, he found a wallet ____ on the ground, which he picked up and ____ in his schoolbag.
Could it be in the restaurant in ____ you had dinner with me yesterday ____you left behind your keys and wallet?