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單項(xiàng)選擇題

We are pleased to say that weare（）to supply you（）the goods you want.

A.of aposition，──
B.at aposition，──
C.in aposition，with
D.at aposition，with

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（），we are airmailing you our latest quotation-sheet.

A.As request
B.At request
C.As requested
D.At requested

單項(xiàng)選擇題

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

A.which
B.at which
C.from which
D.in which