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
       basketball is a good way to make us strong.
#51403
A
Play
B
Played
C
Plays
D
Playing
I'd like you __________ my friend Tom.
#49268
A
meet
B
meets
C
meeting
D
to meet
Try not _______every word.
#50267
A
to translate
B
translate
C
translation
D
translating