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
推荐题目
The discovery was made_______, which we hadn’t expected .
#26723
A
on purpose
B
at present
C
in advance
D
by accident
Sam always pronounces my name wrong.  Do you think he does it ______ ? 
#25559
A
on purpose
B
at present
C
at an end
D
right away
To reach Africa, we flew      high mountains,      deep valleys and     great deserts(沙漠).
#26301
A
on, across, though
B
over, through, through
C
over, through, across
D
on, in, across