We would not give you any lower price ______ you could place an order for more than 500 tons.
A. except
B. until
C. unless
D. besides
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Please ______ us if you find our price competitive.
A. buy them with
B. place orders with
C. place orders from
D. place our orders
Goods will be shipped _____ 30 days after receipt of your payment.
A. to
B. on
C. for
D. within
The loss was due to improper packing, ____ the suppliers should be responsible.
A. for which
B. to which
C. in which
D. which
Can I ____a message or would you like to ring him on his mobile phone?
A. make
B. leave
C. have
D. had
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