单项选择题

In the second e-mail, what is indicated about Mr. Hopkins

A．He will be closing early on Friday.
B．He is an inspector from the Wellington City Fire Department.
C．He met Mr. Wallace in February.
D．He installed the previous system himself.

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单项选择题

When did Mr. Henry learn that the air conditioning required repair

A．July 2
B．August 10
C．August 25
D．August 30

单项选择题

What is NOT mentioned about the solar backup system

A．It is easy to install.
B．It requires little maintenance.
C．It is cost-effective.
D．It is reliable.