There were two teachers named John ________at our school, which made some of our students ________.
#97150
A
working;confused
B
worked; confusing
C
work; confused
D
to work; confusing
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Having mastered the technologies of manned spacecraft, China became the third country in the world ______ manned spaceflight independently.
#95914
A
develop
B
to develop
C
developing
D
developed
The engine just won’t start.Something seems________wrong with it.
#89482
A
to go
B
to have gone
C
going
D
having gone
All flights___ because of the snowstorm, we decided to take the train.
#94777
A
were canceled
B
had been canceled
C
having canceled
D
having been canceled
Victor apologized for to inform me of the change in the plan.
#95569
A
his being not able
B
his not being able
C
him not to be able
D
him to be not able
All of them try to use the power of the workstation ___ information in a more effective way.
#98998
A
presenting
B
presented
C
being presented
D
to present