The scientist knew nothing about the matter, because he was always _________ himself in his study.
#12696
A
burying
B
devoting
C
focusing
D
concentrating
推荐题目
(湖北高考)At the meeting they discussed three different ________ to the study of mathematics.
#11476
A
approaches
B
means
C
methods
D
ways
The couple ________their old house and sold it for a vast profit.
#12907
A
didfor
B
didin
C
didwith
D
didup
(2014·北京海淀模拟)Only by improving education and high science technology can a country become a(n)________one.
#10622
A
advanced
B
bored
C
astonished
D
convinced
More and more attention has been drawn to the fact that many children are ________ in the countryside when their parents flood into the cities for jobs.
#13376
A
left off
B
left aside
C
left out
D
left behind
If you think that treating a woman well means always _______ her permission for things, think again.
#12344
A
gets
B
to get
C
got
D
getting