【C16】
A.to
B.as
C.for
D.by
【C9】A.toB.ofC.forD.in
【B2】A.toB.byC.forD.after
【C16】A.exposed toB.discovered byC.experimented byD.absorbed by
【C16】A.consideringB.asC.givenD.by
【C16】A.soB.asC.muchD.not
【C3】A.toB.aboutC.forD.with