by Both/ them/ spend/ all/ pocket money/ buy/ books.
A. Both of them spends all pocket money to buy books.
B. Both of them spends all pocket money buying books.
C. Both of them spend all pocket money to buy books.
D. Both of them spend all pocket money buying books.
Xem đáp án
Đáp án: D
Giải thích: spend money/time + Ving (dành tiền/dành thời gian để làm gì)
Dịch: Tất cả họ đều dành tiền để mua sách.
