We have received your letter of September 12，（）we are glad to know that you are interested in our electric heaters.

[单选题]We have received news（）that the wool market on your side is showing signs of recovery.A . to an effectB . to this effectC . to that effectD . to the effect

[单选题]We are in receipt of your letter dated Jan 8, ____ we are pleased to learn that you want to order 100 tons of the subject goods.A . in whichB . from whichC . to whichD . at which

[单选题]We thank you for your letter of May 17 and the（）catalogue.A . sentB . enclosedC . givenD . presented

[单选题]We are（）to have your enquiry for Sewing Machines.A . pleaseB . pleasedC . pleasureD . in pleasure

[单选题]We（）your letter of Nov.3 asking us to make a quotation.A . go overB . have readC . refer toD . check up

[单选题]We（）your letter of Nov. 3 asking us to make a quotation.A . gooverB . havereadC . refertoD . checkup

[单选题]We have to claim for your delay in（）of our order.A . shippingB . shipmentC . shipD . deliver

[单选题]We have received orders（）US$1，000，000 since the new product was introduced to the market.A . amountforB . amounttoC . accountforD . amountingto

[单选题]We ordered 20 boxes of your products, but we have only got 19.- _________A.

[单选题]Letter can express your ______.A． congratulationsB． condolencesC． best wishesD． all of the above