1. Because of ______ extremely focused customer bases, small business owners can often respond quickly to new economic trends.
A. they B. their C. theirs D. them
2. He was looking admiringly at the photograph published by Collins in ______ with the Imperial Museum.
A. collection B. connection C. collaboration D. combination
3. Ms. Plesha’s application is ______, but I am hesitant to hire someone without experience in international trade.
A. impressed B. impresses C. impressive D. impressively
4. Upon installation, the software will prompt the user to enter the product ______, which is located in the instruction manual.
A. number B. numbered C. numbering D. numbers
5. Language has always been — as the phrase goes — the mirror to society. English is no _______.
A. explanation B. excuse C. exception D. expectation