All passengers ______ are expected to fasten the seat belts when the plane takes off and lands．
#27474
A
on aboard
B
on board
C
on the board
D
on boards
推荐题目
It isn't so much whether he works hard; the question is whether he works _____.
#29148
A
above all
B
in all
C
at all
D
after all
---- “How did the robber get in?”----“______ an open window on the first floor.”
#28471
A
Past
B
From
C
Over
D
Through
They did it all____ friendship.
#28909
A
by the name of
B
of the name of
C
under the name of
D
in the name of
Most Palestinians are _________a path of peace, which means they reject a path of violence.
#26864
A
at the mercy of
B
in favor of
C
in terms of
D
owing to