______himself to his research on the IT technology, he soon made a breakthrough.
#91969
A
Devoted
B
Devoting
C
Devote
D
To devote
推荐题目
She pretended _______ me when I passed by.
#96334
A
having not seen
B
not seeing
C
to not see
D
not to see
As a student, every minute should be made use of _______.
#90806
A
study
B
to study
C
studying
D
studied
When the man came in, gun in hand, we all stood there, ________.
#88264
A
astonished
B
astonishing
C
being astonished
D
having astonished
______all the homework assigned by the school the students have to work at it till midnight
#89573
A
Completing
B
To complete
C
Having completed
D
To have completed
