I spent half an hour ___________ my homework. 
#49163
A
finish doing
B
to finish doing
C
finishing to do
D
finishing doing
推荐题目
I often practice _________ football on Friday.
#49616
A
playing
B
to playing
C
play
D
to play
My computer is broken. I’ll ________.
#49162
A
get it repair
B
get it repairing
C
get it repairs
D
get it repaired