his homework, my son went downstairs to play basketball. 
#95865
A
Having finished
B
finished
C
to finish
D
finishing
推荐题目
_________ with the size of the whole earth, the biggest ocean does not seem big at all.
#94968
A
compare
B
when comparing
C
comparing
D
when compared
By far, there are many problems ________ to be solved.
#94474
A
remaining
B
remained
C
being remained
D
to remain
He offered the information the police needed and deserved _______.  
#96194
A
rewarded
B
to reward
C
being rewarded
D
rewarding
“Things________never come again!” I couldn’t help talking to myself.
#94217
A
lost   
B
losing
C
to lose   
D
have lost