单项选择题
If you will send us a catalog by air,we shall（）very much.
A.appreciate B.appreciating C.appreciation D.appreciaeit
单项选择题 We（）some brochurs（）to illustrate the procucts we manufactured.
填空题 We are glad that in the past few years,（）joint efforts,have greatly promoted both business and friendship.
填空题 As to chemical products we are well connected（）the major producers in America.
