We will make you a firm offer for delivery by the middle of February at the prices ( ).
A. quoted
B. quotes
C. quoting
D. to quote
The goods( ) shipped already if your L/C had arrived by the end of December last.
A. would be
B. must have been
C. had been
D. would have been
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
In international market crude oil is customarily priced (定价) ( )U. S. dollars.
A. at
B. in
C. of
D. for