Look! Dave __________ on the phone.
I want to know _________ you will come back at 8:00 tomorrow.
We don’t think it’s good to stay_____ late to play computer games.
Usually, it’s easier to make decision than to take action.
—What is a writing brush used for?---- It’s used _____writing and drawing.A.as B. to C. for
The Internet is really___to us.We can easily find information on it.A.boring B.useful C.interesting