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Part One: Questions 1-20
Directions: There are 20 sentences in this part. For each sentence there are four choices marked A, B, C and D. Choose the ONE that best completes the sentence.
（在下列各题中选择一个最佳答案填空。）
20%
1.We are a company that
importing clothing items from your country.
A. is engaged in
B. engage in
C. engages to
D. is engaged to
2.Theory is based on practice and in turn
practice.
A. serving
B. serves
C. served
D. to serve
3.The customers cannot accept your price
it is reduced.
A. even
B. if
C. unless
D. when
4.We have sold most of the goods,
a small portion for old customers.
A. to retain
B. retain
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