Question

かい

高校1年生です
塾の英語の宿題なのですが、全くわからずお手上げです。。。
知識人の方のお力をお借りしたいです！
どうかよろしくお願いします！

(a) Building
(b) Built
(c) Having built
(d) To be built
次の各文の下線部(a)~(d)から誤りを1か所選び,正しい形に直しなさい。
1) How careless (w) with you (e)not to notice such (a) an obvious error!
(立命館大)
へ
2) The (o)elderly man was made (w) sign the contract (e)against his (a) Will.
(関西外大)
3) In many cases the schools (a)themselves (w) have given up (e) to cook meals in kitchens
on the (a) premises. (上智大)
4) In summer we enjoy big (w) displays of (e) fireworks (a) to hold in various areas in Japan.
へ
(学習院大)
5) To have too many problems (w) to solve at the same time, Harry (c)finally decided to
ask George for his (a)assistance. (南山大)