The scientists were trying to look for all possible _______ as to where this species came from.
#5295
A
signals
B
marks
C
clues
D
spots
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Due to the widespread________ of this medical technology, more diseases can be discovered and treated at an early stage.
#5388
A
presentation
B
application
C
qualification
D
appreciation
It is a pity that none of the ______ stopped ______ the poor man lying there, begging.
#6262
A
passer-bys; to help
B
passers-by; helping
C
passer-bys; helping
D
passers-by; to help
The result might not as satisfactory as expected but the ________ on his face told us that he was very happy.
#5188
A
expression
B
impression
C
celebration
D
appearance
Excuse me, I have no ______ on me. Can you _____ the note of 100 yuan ?
#6760
A
changes, charges
B
changes, change
C
change,change
D
changed, changed
School children must be taught how to deal with dangerous .
#7467
A
states
B
conditions
C
situations
D
positions