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7．聽第10段材料，回答第18至20題．
18．what does the speaker′s mother usually do at night？
A．she works in her art store．
B．she paints in her art store．
C．she teaches in a school．
19．how old is the speaker′s father？
A.40 years B.45 years Old C.50 years old
20．what is the speaker′s father good at？
A．paiting B．encouraging people C．fixing things．

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