I ALWAYS SPEND ... MY MONTHLY POCKET MONEY ON BOOKS .A.ONE -SECOND...

18. - DE THI THU DAI HOC MON TIENG ANH
Tiếng Anh DE THI THU DAI HOC MON TIENG ANH

18.I always spend ... my monthly pocket money on books .

A.one -second B.one- half C.half of D. A & B are correct