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
My mother told us_______ make__________ noise.
#50851
A
don’t, any
B
not, some
C
not to, any
D
don’t, some
There are so many delicious food in the menu. I can’t decide ________. 
#50559
A
how to eat
B
where to eat
C
what to eat
D
when to eat
Would you mind me _______the door?  _________. It’s really cold here.
#49045
A
close; Yes
B
closing; Of course
C
closing; Of course not
D
close; Sure