Is it that you often play computer games ________ worries your parents?
I’d like to do something for you _______everything you’ve done for me.
If you don’t know the meaning of the word, you can_______ in a dictionary.
Mr White, along with his assistants, _______ on the project day and night to meet the deadline.
When I called at his home the other day,l found him sitting on an armchair, _______ in his hands.
They will give us the money _______ we pay it back within half a year.