单项选择题We have received your letter of September 12,()we are glad to know that you are interested in our electric heaters.

A.which
B.atwhich
C.fromwhich
D.inwhich


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1.单项选择题We are()to have your enquiry for Sewing Machines.

A.please
B.pleased
C.pleasure
D.in pleasure

4.单项选择题We shall do everything possible to assist you in()a mutually beneficial trade.

A.developing
B.developed
C.develop
D.development

5.单项选择题We will consider()your terms of payment.

A.accepted
B.to accept
C.accepting
D.accept

6.单项选择题We()the seminar sponsored by you in September last year.

A.aware
B.aware of
C.are aware of
D.are aware

7.单项选择题We()if you could give us whatever information you can in this respect.

A.should appreciate
B.appreciate
C.appreciate it
D.should appreciate it

8.单项选择题We have noticed the Dutch producers()a joint venture agreement with Chinese firms.

A.interest
B.are interested
C.are interested in
D.interest in

9.单项选择题We confirm()your order No.7891 dated May 10,1990.

A.to have received
B.having received
C.receiving
D.toreceive

10.单项选择题We regret()to accept your terms of payment and therefore have to return the order to you.

A.cannot
B.being unable
C.not able
D.not be able