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
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He slipped and broke his leg. _________, he will have to be away from school for two or three months.
#25829
A
On the contrary
B
In a word
C
In a way
D
As a result
It is a surprise for me to see that these old-fashioned machines are still ________ in the big city.
#25772
A
in order
B
in use
C
in danger
D
in difficulty
Get in touch with them, for they will be anxious _____ news of your arrival.
#27568
A
at
B
for
C
about
D
to
Instead of calling________his uncle, he called________my new house with his brother that afternoon.
#28294
A
by; for
B
on; at
C
for; on
D
at; by