A. makeB. holdC. putD. supportThe board room can（）fifty……

单项选择题No credit will be offered（）you place an order for more than 40.000 units.

A. after
B. when
C. if
D. unless

单项选择题A:Good weekend? B:（）

A. Yes.
B. Thank you. 
C. No， thank you.
D. Excellent, thank you.

单项选择题Mr. McNeil asked Mr. Don Bradley to ship the goods（）air.

A.by
B.on
C.at
D.in

单项选择题（）the Manager’s not available at the moment. But the Assistant Manager is here.How Can I help you, madam?

A. I’m afraid
B. With our compliments
C. To talk to the Manager
D. It is entirely our fault

单项选择题A:Welcome to Bibury Systems. B:（）

A. Thank you.
B. That’s Research and Development. 
C. No， thank you. 
D. Yes.