107.As agreed upon in our negotiations, payment ____ L/C.
A.by
B.is by
C.will be
D.will by
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108.In our letter of July 1, we make ____ clear that shipment be effected in March.
A.them
B.you
C.us
D.it
109.The 505 Vital Herb Pad, our new product , is based on a ____ concept.
A.traditional
B.newest
C.old
D.excellent
110.We confirm ____ accepted your counter proposal yesterday.
A.have
B.having
C.to have
D.has been
111.The importance of delivery on time ____ over-stressed, because failure to receive goods or services will cause serious inconvenience to the end-users.
A.can
B.be
C.cannot be
D.could be