David: an environmentalist; interested in reading very much

选择一项或多项：

A.
leave an hour early


B.
free laundry coupon


C.
restaurant gift card


D.
an extra-days holiday


E.
company lunches


F.
two nights at a beach resort


G.
E-book reader


H.
Playstation 4


I.
vouchers for stores


J.
book card valued $500