I enjoy playing computer games, but I can’t spend too much time ________ that.
Jim spends about 2 hours ____homework, so he has only half an hour _____ his hobbies every day.
Our teacher often asks us _____ about questions in groups.
______ all the lessons in Book 8A, Unit 5 is the most interesting.
My grandfather walks _____ than my grandmother.
Jane always looks ____. Now she’s looking ____ at her new drawing.