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【简答题】
The first edition of Walt Whitman’s Leaves of Grass was published in the year______.
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举一反三
【单选题】Speaker A: Would you mind if I use your pen for a while? Speaker B :__________
A.
Yes. By all means.
B.
No. By no means.
C.
No. It' s my pleasure.
D.
No. Most unwillingly.