---I think he is taking all active Dan in social work. ---I agree with you ________ .
It was so cold that they kept the fire ________all night.
Believe it or not, he was seen ______upstairs just now.
They knew her very well. They had seen her ____up from childhood.
Mrs. Smith warned her husband _____after drinking again and again.
The first textbooks _____for teaching English as a foreign language came out in the 16th century.