We（）the seminar sponsored by you in September last year. aware。 aware of。 are aware of。 are aware。
We（）if you could give us whatever information you can in this respect. should appreciate。 appreciate。 appreciate it。 should appreciate it。
We have noticed the Dutch producers（）a joint venture agreement with Chinese firms. interest。 are interested。 are interested in。 interest in。
The introduction of containers in transport greatly（）carriage of goods. facilitate。 speeds。 facilitates。 economizes。
We have lodged a claim（）the seller for the shortage of shipment（）S.S.DONGFENG. A．against，ex。 B．with，under。 C．on，asper。 D．with，to。
We regret（）to accept your terms of payment and therefore have to return the order to you.
