下列各句均有错，请你找出后，在题前括号内填入选项并在横线上改正。

( ) 1. We like sitting under the tree and talk to each other.   ________

                   A      B                                C             D

( ) 2. Millie, is this yours book? Yes, it is.                          ________ 

                     A           B               C    D

( ) 3. What do you go to school every day? By bus.            ________

               A    B                C                            D

( ) 4. We don't have a art lesson today?                             ________

                    A      B   C         D

( ) 5. How many balls are they behind the door?                 ________

                       A      B          C       D