1. Contracts must be renewed one week _______ their expiration.

　　A on

　　B against

　　C the moment of

　　D before

　　2. The commodities you offered are _________ line with the business scope of our clients.

　　A outside

　　B out of

　　C out

　　D without

　　3. We are arranging for n inspection tour of _________ the material was processed.

　　A place

　　B the place

　　C where

　　D there

　　4. We are reconsidering those trade terms _______ might be adverse to the interest of our principals.

　　A what

　　B that

　　C when

　　D where