看表格,回答问题。 Name Birthday John May 12th Amy June 2nd Jack December 1st Chen Jie January 20th Helen May 6th Mike May 25th 1. When's Amy's birthday? __________________________________________ 2. Is Helen's birthday in December? __________________________________________ 3. Who has a birthday in January? __________________________________________ 4. How many birthdays are there in May? __________________________________________