Very few people understood this contract, ______ was very obscure.
B
thelanguageofwhich引导非限定性定语从句，并在定语从句中做主语。句意为：没有几个人懂这份合同，合同的用词含糊不清。
We are pleased to say that we are ______ to supply you ______ the goods you want.
According to the shipping _____ it will be impossible for us to ship the goods in October.()
We en closed our Purchase Co nfirmation No. 4848__in__ duplicate^ ) 一式两份 in triplicate (一式三份 )
This _____ factor means that there is often a connection in appearance and temperament between parents and children.