书面表达
你收到外籍教师James的邀请，参加他的生日晚会(birthday party)。可不巧的是你有要紧的事情不能参加。请写一封回信说明原因，表示歉意，并预祝老师生日快乐。
注意：开头语已为你写好。
Dear James,
Thanks a lot for your invitation to your birthday party at Students’ Recreational Center at 7 o’clock tomorrow evening.

A．The former is a for-profit company while the latter is a museum.
B．Both are run by the Boston city council and sponsored by the government.
C．The latter used to have 100 000-square-foot warehouse in Avon.

A．3^rd July.
B．4^th July.
C．5^th July.