The book was written ______ careful observations and detailed studies.
#25465
A
on behalf of
B
regardless of
C
on the basis of
D
in relation of
推荐题目
Highspeed trains which travel through my hometown ________ up to 250 km per hour make it a small world.
#25287
A
with
B
against
C
at
D
over
The pianist began to play and the girl in red began to sing ＿＿＿＿the music.
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A
with
B
along
C
through
D
to
We have _______ books in our library.
#27714
A
plenty of
B
great many
C
a great deal of
D
great number of