clean
                    - Could you please clean your room?— OK! I will do it_____ a minute. [ ]
 - Let’s clean the classroom. It’s very ______.
 - Please clean the room at once, it’s too ______.
 - I ________ clean my room on weekdays. I have no time.
 - The classroom is clean it was yesterday.—Sorry, I forgot to clean it.
 - The classroom is _________ clean _______ it was yesterday. ——Sorry, I forgot to clean it.
 - The little girl’s bedroom is very clean.- Yes. It’s much_______ than her_______.
 - Who told you to clean the windows ?—Father ___.He said they were too dirty (脏的)
 - Must I clean my rabbit’s hutch every day? - No, you __________.
 - Must I clean my rabbit’s hutch every day?- No, you ____________.