A、<span lang="EN-US" style="font-size:12.0pt;font-family:
"Times New Roman",serif;mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;
mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">is
there </span>
B、<span lang="EN-US" style="font-size:12.0pt;font-family:
"Times New Roman",serif;mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;
mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">isn’t
there</span>
C、<span lang="EN-US" style="font-size:12.0pt;font-family:
"Times New Roman",serif;mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;
mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">is
he </span>
D、<span lang="EN-US" style="font-size:12.0pt;font-family:
"Times New Roman",serif;mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;
mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">isn’t
he</span>
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