________ waste of time it is to spend too much time on computer games!
There are lots of mistakes in my homework because I didn’t pay attention to ____ the teacher.
Bill was ____ tired after a whole day’s work.
You ____ swim here. It is said that sharks (鲨鱼) have been seen.
— I hope you can ____ and see us next time you come to Shanghai. — Sure, I will.
Playing computer games ____ the boy so much time that he doesn’t have enough time to study.