Whether enough blood is donated could be a(an) ________ of life and death for the accident victims.
#14499
A
concern
B
approach
C
affair
D
matter
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With modern equipment，many mysteries have ________ to light in recent years.
#11546
A
bought
B
come
C
thrown
D
appeared
--He is so unhappy. What made him disappointed?--It’s his plans. You can’t imagine what it’s like to feel that all your plans for the future have _________.
#12618
A
set down
B
turned down
C
put down
D
broken down
After 15 years in the USA, he finally decided to ________ American citizenship.
#12082
A
concentrate on
B
apply for
C
put off
D
lead to
—What do you think of the story in today's newspaper?—We shouldn't ________ the trouble of helping others only because what we do may invite trouble.
#11101
A
knock off
B
take off
C
keep off
D
break off
Vincent is a(an) .He likes travelling to the places where there are few people.
#12498
A
writer
B
explorer
C
worker
D
teacher