“ How did you write your advertisement asked ”, a businessman.英译汉
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So me people find it difficult to ask for help.英译汉
I want to get back home by five o’ clock if it is possible.英译汉
From the East Coast to the West Coast it is about 3,000 miles wide.英译汉
生奶的抑菌作用在O℃时可保持()小时，30℃时仅可保持3小时。
A. 48
B. 24
C. 12
D. 6
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