多项选择题
A.LinkedIn.com B.Youtube.com C.Facebook.com D.Twitter.com
If you will send us a catalog by air,we shall（）very muc...
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
We（）some brochurs（）to illustrate the procucts we manufa...
单项选择题We（）some brochurs（）to illustrate the procucts we manufactured.
A．enclose,to you B．enclose you,\ C．enclose,\ D．enclose,you
We are glad that in the past few years,（）joint efforts,...
填空题We are glad that in the past few years,（）joint efforts,have greatly promoted both business and friendship.
