The students listened carefully to the teacher with their eyes _____ on the blackboard.
Love is_____ makes you smile when you are tired.
It is difficult for us to imagine_____ life was like for slaves in the ancient world.
I now, we have raised 50.000 pounds for the poor children, ______ is quite unexpected.
--- Is it true that Mike refused an offer from Yale University yesterday? --- Yeah, but I have no idea _______ he did it; that’s one of his favorite universities.
We’ll reach the sales targets in a month _______ we set at the beginning of the year.