I learned ______ sadness that certain birds were ______ danger of dying out.
A.with,in
B.in, with
C.from,in
D.by,in
正确答案是A
I learned ______ sadness that certain birds were ______ danger of dying out.
A.with,in
B.in, with
C.from,in
D.by,in
正确答案是A