After having seen the（） and samples， Jenny makes the specific inquiry. 

The payment is made by an irrevocable（） letter of credit in our favor.

Does that include the （）turnover in advance？（答案B） 

The manager asked me （）I could finish my work before the weekend.

Good manners may be varied（） cultural backgrounds.

If the case reaches the criminal limit， the taxpayer my be accused （）criminalresponsibilities. 

International trade gives consumers and countries the opportunity to（） goods andservices not available in their own countries. 

In order to make proper reservations， will you send your acceptance to the attention ofProfessor Chen（） a week before that day？ 

- You are right. How do you analyze our weaknesses？一 we put less emphasis on the overall design.（）    

It is very important to understand buyers’ behavior.