This machine is very easy . Anybody can learn to use it in a few minutes.
#94917
A
operating
B
to be operating
C
operated
D
to operate
推荐题目
She was the only one __________ the wreck.
#88269
A
surviving
B
having survived
C
to survive
D
survived
_____ the meeting himself gave them a great deal of encouragement.
#98334
A
The president will attend
B
The president to attend
C
The president who attending
D
The president's attending
If _____ to look after luggage for someone else, inform the police at once.
#91118
A
asked
B
to ask
C
asking
D
having asked
________ by the advances in technology, many farmers have set up wind farms on their land.
#98404
A
Being encouraged
B
Encouraging
C
Encouraged
D
Having encouraged