By the time Dave reached the small boat, a thick white fog _______ over the surface of the water.
He has been caught ____ the rain and is wet ___ the skin.
. We need fifteen more people ____ our team to do the job.
_____ my finishing reading the novel, you shall have it immediately.
She looks quite young _____ her age.
Books are the most important records we keep_____ man’s thoughts, ideas and feelings.