________ his arrival, he began to make preparations for the speech of the conference.
#27444
A
In
B
With
C
On
D
By
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We delayed our departure ___ the bad weather.
#27022
A
by means of
B
regardless of
C
on account of
D
in spite of
_______, women have changed history in terms of the contributions they have made. 
#25461
A
To some extent
B
In conclusion
C
In addition
D
As a whole