They were busy ________ an experiment when I came.
#92445
A
doing
B
to be doing
C
with doing
D
to do
推荐题目
The Wenchuan earthquake in 2008 is believed ______ more than 90,000 people and made thousands homeless, _________ it perhaps the most destroying earthquake in history.
#96699
A
to kill; making
B
to have killed; making
C
having killed; to make
D
killed; made
_________ the stomachache, he couldn’t fall asleep.
#95334
A
Suffered from
B
Suffered
C
Suffering from
D
Suffering
Please don’t disturb Tom! He is busy now, with a lot of work ____.
#96265
A
done with
B
to do with
C
doing with
D
to be done with
It cost me a great deal, but I don’t regret a year travelling around the world.
#96268
A
spend
B
to spend
C
spending
D
spent
She prefers _____ her clothes by hands rather than by machine.
#96629
A
having washed
B
washing
C
being washed
D
to wash