It was the largest experiment we had ever had; it _____ six hours.
#81736
A
ended
B
finished
C
prolonged
D
lasted
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Once he makes a promise, he will ______ it.
#81422
A
insist on
B
carry out
C
keep
D
stick to
We prefer__________alone rather than__________.
#71555
A
staying; go out
B
staying; going out
C
to stay; to go out
D
to stay; go out
All the factories _______ great importance to the car exhibition.
#63850
A
attached
B
afforded
C
earned
D
brought