A beekeeper has a to motivate the bees by leaving some honey in the hive—not so much in case that the bees stop working.
I’m calling about the apartment you ____ the other day. Could you tell me more about it ?
We _____ on this project for four hours. Let’s have a rest.
Experiments of the kind ____ in both the U.S. and Europe well before the Second World Wall.
By the time Jane gets home, her aunt ____ for London to attend a meeting.
His sister left home in 1998, and ______ since.