If you will send us a catalog by air,we shall（）very much.

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

单项选择题While （） an enquiry, you ought to enquire into quality specification and price etc.

A.making
B.offering
C.sending
D.giving