________ his arrival, he began to make preparations for the speech of the conference.
#27444
A
In
B
With
C
On
D
By
推荐题目
The coasted areas have mild winters, but ____ the central plains become extremely cold.
#25999
A
by contrast
B
with contrast
C
contrast
D
contrasting
More and more high-rise buildings have been built in big cities____ space.
#25222
A
in search of
B
in place of
C
for lack of
D
for fear of
_____ we have finished the course, we shall start doing more revision work.
#27149
A
For
B
Ever since
C
Now that
D
By now
Large earthquakes __________ the ocean can create a series of huge, destructive waves called tsunamis that flood coasts for many miles.
#26540
A
beyond
B
beneath
C
off
D
across