One way to understand thousands of new words in gain _____good knowledge of basic word formation.
______ the airport, he was arrested(逮捕) by the police.
I don’t like the way _____ you laugh at her.
The boys were playing football on the ground. Sandy didn’t want to ______ them.
They went out ______ water.
After three years of hard work, they at last _____ all the money they had borrowed.