Thisofferis____yourreplyreachingusbeforeMay5th.
____wateristheirenergysource,____tropicalcyclonesareseasonal.
在经贸谈判中，涉及内容最多，应用范围最广，出现频率最高最具有普遍性一般性特点的经济谈判时()。
RawdonCrawleyhadalreadyfoughtthreebloodyduels,inwhichhegaveample________ofhiscontemptfordeath.
Wehavetopointoutthatthepostponementofthefulfillmentofthecontract______causeduscertainexpenses.
