he was able to walk when he was 10 months old
he was able to walk when he was 10 months old
he was able to (_wake__)when he was 10 months old（对划线部分提问）
__________ __________he able to ________ when he was 10 months old
he was able to (_wake__)when he was 10 months old（对划线部分提问）
__________ __________he able to ________ when he was 10 months old
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你能帮帮他们吗