单项选择题
Conversation 2
A．Because there was no access to the Internet. B．Because the traffic outside was too noisy. C．Because the air conditioner was out of order. D．Because there was no hot water in the bath.
A．All staff. B．Young workers. C．New employees. D．Department managers.
A．The rise of costs. B．The drop of sales. C．The decrease of production. D．The increase of pollution.