(45)__________

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400/FOUR HAUNDRD。从“The booking fee is￡400 per company，”中可以得出答案。

A．Suggest additions to quality-control instructions.

B．Ask if they don't understand something.

C．Contact him when the new system starts.

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2 Notice to Retailers
Owing to production delays and unexpected demand, we regret that product No.
AS/524B is out of stock.

A．This product is currently unavailable.

B．Manufacture of this product is discontinued.

C．The suppliers have temporarily withdrawn this product.

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3 The seminar is from 4:30 to 6: 00, with time allowed for questions from the audience.
Refreshments are served at 6:00.

A．The speaker will respond to questions if time allows.

B．There will be time to ask questions during the seminar.

C．It will save time if questions are left until refreshments are served.

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