If the goods are up __________ our customer's expectation，we shall place repeat orders __________ you.

Our quotation is subject to change __________ notice.

Because you could not guarantee prompt delivery, we had no choice _________ purchase the same products from other suppliers.

As shipment will be postponed, we regret to ask you to _________ the validity of the L/C to Oct. 30.

If the drawee refuses to make payment, the draft is said to be _________ .

Our price is_________ the prevailing market level, so it’simpossible for us to make any concession .

We will keep you _________ of the latest advertising development at all times.

Our terms of payment are by irrevocable L/C _________ by draft at sight.

We might say that our products have met with warm_________ in European market.

The arbitration fees shall be for the _________ of the losing party.