The two industries embody both import and export () a single transaction. The purpose of importation is to create exportation.

单项选择题I really am not qualified to ()the safety or lack of safety in drinking this water.

单项选择题I have elected to ()said lease as of now.

单项选择题()to say, he came late as usual.

单项选择题I am enclosing our catalog and price list ()your review.

单项选择题Default in seasonable and sufficient assurance from you shall constitute a breach of said contract and we shall no longer be obligated () said contract.

单项选择题After careful review, we regret to inform. you that we are unable to ()you any further extensions for the payment on your loan.

单项选择题we have to () the importance of being punctual

单项选择题To increase this discount rate for all of our accounts would seriously () our firm .

单项选择题Method of payment shall be () the Irrevocable L C payable()sight ()U.S. Currency.

单项选择题Mr.Yin could agree ( ) D P terms.