有句英文唔識講...唔該幫幫手...20分

2合1 :
The upcoming meetings have the following changes:The meeting with staff and the meeting with Mr.Chan have been combined into one meeting and it will be held from 9:15 to 9:45.

1開2:
The upcoming meeting has the following changes:The meeting with staff and Mr.Chan have been splited into two meetings. The meeting with staff will be held from 9:15 to 9:30 and the meting with Mr.Chan will be held from 9:30-9:45.

nine fifteen to nine fourty five meeting with staff and Mr. Chan

I think i have to meet with Mrs chan instead of any staff.