补全句子A：what's （ ）the wall?B:oh,it‘s a picture （ ）my family.A：can i look （ ）it?B：certainly.here you are.this is my father and this is my （ ）.they are forty（ ）old.A：oh,they look young .（ ）that man between them?B：he’s my father‘s brother .he’s my （ ）.A：and that little girl beside you?B：（ ）my sisther .she looks very nice.A：yes,i （ ）（ ）.

你好，很高兴能够在这里回答你的问题，这道题的正确答案应该为：
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think so
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答案：A：what's （ on ）the wall?B:oh,it‘s a picture （ of ）my family.A：can i look （ at ）it?B：certainly.here you are.this is my father and this is my （ mother ）.they are forty（years ）old.A：...