Knowledge through children’s own practice is lasting and will benefit them all their lives.
—Who has taken my pen away? —__________. He was here a moment ago.
Besides Tom, ________ Crosettes have two other sons, __________ of whom are all interested in making model planes.
Nobody noticed the thief slip into the house because the lights happened to__________.
The news about the terrible flood there greatly discouraged __________ there for a sightseeing.
He's unlucky,and he's always suffering____________ luck one after another.