We should be pleased to send you some samples of our new typewriter on approval,______ our own expense.

If you can make us a firm offer at a ______ price, we will place an order with your corporation.

We would like to take this ______ to establish business relations with you.

We place this order ______ the understanding that the discount is 10%.

Your delay in shipment will______ us in great difficulty.

The letter we sent last week is an enquiry _______ color TV sets.

An order is a request to supply a specified quantity of goods, which may result from________ or_________ with subsequent quotations.

The direct steamer sailing ______ your port calls at our port only around the end of the month.

Please see to it that the goods we ordered are shipped as soon as the covering letter of credit ______ you.

We cannot accept any fresh orders _______ heavy commitments.