Your immediate reply should reach us not later（）the end of this month.

We wih to acknowledge receipt of your letter of March 15,（）reached us yesterday.

We hope that you wil look（）the cause of the defective goods.

We are glad to enter （） business relations with your corporation.

We hope this unfortunate incident wil not afect the friendly relations（）us.

If you will send us a catalog by air,we shall（）very much.

In view of the long-stanging business relations（）us,we wish to settles this dispute amicably.

Risks other（）All Risks and War Risk can be covered if the extra pr－ enium should be borne by the buyer.

We hope this unfortunate incident wil not afect the friendly relations（）us.

We are glad that in the past few years,（）joint efforts,have greatly promoted both business and friendship.