"Our business is in the black" means（）.

Of course, our ______ relationship is good, but business is business. (person)

Important business will result ______ our mutual understanding and cooperation.

A．in B．from C．of D．on

We are happy to have concluded business with you, our work was not wasted. The time-taking negotiations were ().

A、worthwhile

B、worth our while

C、worthy

D、worth while

The agent promised to keep me______of how our business was going on．

A.to be informed

B.informed

C.on informing

D.Informing

We are enclosing a copy of our terms business，where you will find details of our quantity discounts and our

If your business with us had been carried on to our satisfaction,we ()to renew the Agency Agreement.

A、should have agreed

B、had agreed

C、shall agree

D、already agreed

A.what

B.whose

C.which

D.that

A. with

B. in

C. within

D. at