( ) 1.  | a. William has a birthday party on May 8th at home. |
( ) 2.  | b. He often goes to the library in September. |
( ) 3.  | c. He has fun with his friends on June 1st, Children's Day. |
( ) 4.  | d. He visits his grandparents with his parents in February. |
( ) 5.  | e. He often goes swimming in July. |
( ) 6.  | f. He has a Christmas party on December 25th. |