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
-What trouble do you have when you learn English?- __________the grammar in a right way.
#49768
A
Use
B
To use
C
Using
D
To using
Why not an English language club to practice _____ English.
#50760
A
join, speaking
B
to join, speak
C
joining, speaking
D
take part in, speaking
