The machine is easy to _______if you follow the instructions.
#91708
A
be operated
B
operate
C
be operated on
D
operate on
推荐题目
They were busy ________ an experiment when I came.
#92445
A
doing
B
to be doing
C
with doing
D
to do
We narrowly escaped _____in the forest of South America 15 years ago.
#94023
A
killing
B
to be killed
C
to have been killed
D
being killed
Which do you enjoy___your spare time, go shopping or watching TV at home?
#97132
A
spending
B
being spent
C
to spend
D
spent
It’s impossible for him to escape ______ this time; he made such a big mistake.
#91711
A
punishing
B
being punished
C
to punish
D
having punished