单项选择题

All the lights ______ before we left the office.

A．has been turned off
B．have turned off
C．had been turned off
D．had turned off
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单项选择题
Advertising is different from other forms of communication ______ the advertisers pay for the message to be delivered.
A．in order that
B．where
C．in that
D．in the way
单项选择题
It is important that we ______ about the project at once.
A．will be informed
B．is informed
C．being informed
D．be informed
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