單項選擇題Please note that Item no．789 can be certainly promised for immediate shipment ____ receipt of your order.

A. if   
B. whether   
C. upon   
D. at


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1.單項選擇題In your letter of April 10, you did not mention ____ the price of arts & crafts.

A. to raise   
B. having raised   
C. rise   
D. having risen

2.單項選擇題_____ we appreciate your counter-offer, we your prices too low to be acceptable.

A. Meanwhile    
B. While    
C. However    
D. Whether

3.單項選擇題The offer is firm subject ____ before October 1.

A. for your reply reaches us    
B. for your reply reaching us    
C. to our receiving your reply  
D. to your reply reaching us

4.單項選擇題Please send us as soon as possible samples of the following goods _____ listed in your current catalogue.

A. which    
B. as    
C. what   
D. for which

5.單項選擇題W e will present the draft _______acceptance by your bank.

A. for   
B. with 
C. to   
D. on