For a long time, he hesitated whether he should tell us ____ what had happened．
#27121
A
at dusk
B
at length
C
at present
D
at stake
推荐题目
The pilot,(飞行员) whether ______ or on purpose, made the plane do a sharp turn.(急转弯)
#26913
A
by accident
B
at times
C
suddenly
D
at once
Yosemite National Park has the best collection of native plants. ______, it contains a great number of trees and flowers from overseas.
#26052
A
In addition
B
In return
C
In reward
D
In reality
You were mistaken ____Jane，she really wanted to help you.—I admit that I mistook her offer______ a threat. Anyhow，I don’t like the way she acts.
#28532
A
about; to
B
for; as
C
about; for
D
in; for