A. how B. why C. what D. which
A. The B. An C. A D. Any
A. 顿首 B. 作揖 C. 握手 D. 拱手
A. not only hear but also B. as well hear as C. either hear or D. neither hear nor
A. now and then B. over and over C. up and down D. here and there
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