Once _____ , the machine will keep running.
#94334
A
start
B
started
C
to start
D
starting
推荐题目
Measures must be taken to prevent pollution ________ happily.
#91813
A
from we live
B
for us to live
C
us living
D
from our living
______ an important role in a new movie, Andy has a chance to become famous.
#94913
A
Offer
B
Offering
C
Offered
D
To offer
Some 25,000 people were reported ______ in the ever recorded worst earthquake in Iran, which occurred late this month.
#98594
A
were killed
B
to be killed
C
killing
D
to have been killed
According to the information from the airline, a small sinking part of the runway of the airport is _______ for the accident.
#88689
A
to blame
B
to be blamed
C
to blaming
D
to be blaming
. At the age of 29, Dave was a worker, ________ in a small apartment near Boston and ________ what to do about his future.
#98549
A
living; wondering
B
lived; wondering
C
lived; wondered
D
living; wondered