Violent(暴力的)programs on TV may have a bad ________on children.
Their carelessness ______ the failure. That is to say, the failure_____ their carelessness.
--- I think the waiter has forgotten us. We ______ here for an hour! --- I think you’re right. He probably thinks we have already ordered our food.
In front of our house ______ we used to swim.
He devoted most of his time to researching into space, believing his hard work would ______ sooner or later.
As a child, Jack studied in a village school, ______ is named after his grandfather.