Inquiries can be classified into two groups: general inquiries and special inquiries.

You should answer the inquiries fully and promptly when the new customer makes inquiries for our products.

Inquiries can be classified into_____

Inquiries are usually made by sellers in international trade.

It is impossible that the new customer makes inquiries during the course of establishing business relations.

We shall send you four samples ________ receipt of your inquiries。（ ） A: upon B: for C: in D: at

As to our credit, please ______ the Bank of America. A: refer B: direct to C: direct all inquiries of D: refer to

After a long delay, I finally got round to _____ inquiries into the matter. A: make B: Made C: be making D: making

It isn’t manners to make too many into other people’s affairs. A: investigations B: inquiries C: searches D: surveys

The college environment may offer less “protection” than their school, but it offers the chance to broaden _________. A: highlights B: inquiries C: judgments D: horizons