his father and his mother both have a tin of fish
问题描述:
his father and his mother both have a tin of fish
答
改错?both...and...
both his father and his mother have a tin of fish
答
both his father and his mother have a tin of fish
答
both his father and his mother have a tin of fish或者
his father and his mother each have a tin of fish
答
想问啥?看不出来。