When someone is in trouble, give him a hand.
#62997
A
help him
B
put up your hand
C
borrow his hand
D
take away your hand
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You know great changes _____________ in our school in the past ten years. 
#61661
A
have been taken place
B
took place
C
have taken place
D
were taken place
 Sarah         a funny story now.
#52097
A
is reading
B
looking at
C
is read
D
are watching