Sally: Hi, Mike. Can you help me fill in the calendar?
Mike: Sure, Sally.
Sally: Mike, when is your birthday party?
Mike: My birthday party is on October 5th.
Sally: OK,"and"when is the basketball game?
Mike: The basketball game? Oh, it’s on September 27th.
Sally: Good."And"how about the school trip? Is it in December?
Mike: Oh, sorry. I don’t know. Maybe we can ask Ms. Zhao.