________ 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 clock has three hands _________.
#28592
A
at its face
B
on its face
C
from its face
D
in its face
I have offered to point the house _____a week’s accommodation. 
#28434
A
in exchange for
B
with regard to
C
by means of
D
in place of