In April,thousands of holidaymakers remained________abroad due to the volcanic ash cloud.
#94216
A
sticking   
B
stuck
C
to be stuck
D
to have stuck
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If you are not satisfied with the price _______, we can still discuss it.
#96224
A
being offered
B
to offer   
C
offering
D
offered
Our headmaster suggested    a discussion on the subject.
#96383
A
making
B
having
C
to have
D
to make
____ several times, the young scientist still kept on doing his experiments.
#92897
A
Having failed
B
Having been failed
C
Failed
D
To fail
Once _____ , the machine will keep running.
#94334
A
start
B
started
C
to start
D
starting