For a long time, he hesitated whether he should tell us ____ what had happened. 
#26919
A
at dusk
B
at length
C
at present
D
at stake
推荐题目
Do you know that girl ?The one ___red.
#28139
A
having
B
wearing
C
in
D
putting on
Last year the number of death increased_______ 2% _________ 4% the year before.
#26024
A
to, comparing to
B
by, comparing with
C
to, compared with
D
by, compared to