_____ playing computer too much is bad for your study and health.
Lisa is than her sister.
He is different his brother,but he is similar his father.
—do you go to school by bike? —Only four times a week.
— I think it’s easy to make promises but difficult to keep. — _________. So I hardly make promises.
— Do you know if we will go for a picnic this Saturday? — I think we will if we ______have any classes.