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
______ from the top of the tower, the south foot of the mountain is a sea of trees.
#95781
A
Seen
B
Seeing
C
Have seen
D
To see
On December 26, 2004, a terrible tsunami happened in the Southeast Asia, _________ many people.
#92627
A
killing
B
had killed
C
killed
D
having killed
Seeing the teacher _______ the classroom, the boy pretended _______ the text.
#91774
A
walking in; to read
B
coming in; reading
C
entering; to be reading
D
entered for; to have read
Liu Yang became the first woman astronaut in China _____into space. ( )
#89669
A
ravel
B
travelled
C
to travel
D
being travelled
Tom’s mother angrily told him ________ games on the Internet.
#90162
A
not play
B
not playing
C
not to play
D
to not play