With a lot of homework _________, I had to stay at home all day.
#91357
A
done
B
doing
C
to do
D
being done
推荐题目
All his time _______research on Chinese history, he has no time for outdoor activities.
#91209
A
devoted to do
B
devoted to doing
C
devoting to doing
D
is devoted to doing
With efforts _______ conservation, we may believe that people enjoy a healthy life without the environment around them ________. 
#91305
A
focused on; suffering
B
focusing on; suffering
C
focused on; being suffered
D
focusing on; suffered
_______ no buses , we have to walk home
#91122
A
There were
B
There being
C
It was
D
It being