As a recent survey states, people can hardly enjoy a clear blue sky because of the high level of PM 2.5.
#25511
A
in trouble
B
on purpose
C
as usual
D
in ruins
推荐题目
Life is more than merely trying to achieve thestandards of society but trying to be a good person ______ one’s own standards.
#25841
A
at
B
in
C
on
D
by
People built a monument_________those who died for the country.
#25301
A
in praise of
B
in need of
C
in hope of
D
in honor of