We should be pleased to send you some samples of our new typewriter on approval,______ our own expense.
A
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Please see to it that the goods we ordered are shipped as soon as the covering letter of credit ______ you.
Ifyoucanmakeusafirmofferata______price,wewillplaceanorderwithyourcorporation.
We take the liberty____writing to you with a hope to get your best offers for Chinese bicycles.
Our customers find your goods quite ______.