题目内容
8．
分析 略
解答 B
点评 略
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B．
C
18．---Are these his pencils？
--- ．They are my pencils．（ ）
--- ．They are my pencils．（ ）
| A． | Yes，they are | B． | No，they aren't | C． | Yes，these are | D． | No，these aren't |