You shouldn’t have the machines ______ all the while. You ought to have them ______ now and then.
#97579
A
run; repair
B
running; repairing
C
run; repaired
D
running; repaired
推荐题目
The _______ boy was last seen _______ near the East Lake.
#93919
A
missing; playing
B
missing; play
C
missed; played
D
missed; to play
—What do you think of the play?—Oh, excellent! It’s worth a second time.
#92007
A
seeing
B
to see
C
to be seen
D
being seen
It was dark and cold. They had to find a house ____ and some wood ____.
#98592
A
to stay in…to make a fire with
B
to stay…to make a fire with
C
to stay in…to make a fire
D
to stay…to make a fire