Both/ them/ spend/ all/ pocket money/ buy/ books Both of them spends

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Both/ them/ spend/ all/ pocket money/ buy/ books

Both of them spends all pocket money to buy books

Both of them spends all pocket money buying books

Both of them spend all pocket money to buy books.

Both of them spend all pocket money buying books

Giải thích

Đáp án: D

Cấu trúc: spend money/time + Ving (tiêu/dành tiền/dành thời gian để làm gì)

Dịch nghĩa: Tất cả họ đều dành tiền tiêu vặt để mua sách