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
Peter’s handwriting is really too bad to read; I can hardly ________ what exactly he’s trying to say.
#13812
A
give out
B
leave out
C
make out
D
bring out
The college entrance exam is ______ important to the student, and it’s also challenging.
#12698
A
no more than
B
no less than
C
more than
D
not more than
Besides proper diet, exercise is one of the key ___________of a healthy lifestyle.
#12188
A
categories
B
components
C
ranges
D
processes
---He is______ a brave man. ---we can’t admire his courage ______.
#12849
A
actually; very much
B
indeed; too a lot
C
really; too much
D
truly; a bit
It is his own ________________ that he failed in yesterday’s interview.
#13478
A
fault
B
mistake
C
duty
D
job