A dark cloud is a ________ of thunderstorm.
#6254
A
symbol
B
sign
C
mark
D
signal
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He was courage and unselfishness and gained his comrades_________. 
#6800
A
respectable
B
respectful
C
respect
D
respects
___ did you find in today’s newspaper.
#7349
A
How many piece of news
B
How many pieces of news
C
How much pieces of news
D
How much piece news