After a short holiday, he _____ himself once more to his studies.
#81765
A
applied
B
converted
C
engaged
D
exerted
推荐题目
I have had my bike ___ , and I'm going to have somebody ___ my radio tomorrow. 
#69330
A
repair; to repair
B
repairing; to be repaired
C
repaired; repair
D
to repair; repairing
It’s difficult for him to        without a car.
#72272
A
get off
B
get in
C
get on
D
get around