Mr Black has two sons, one of ________working as a doctor.
#91000
A
them
B
who
C
whom
D
whose
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           the children’s work, I saw the hope of tomorrow.
#91490
A
Impressing by
B
Impressing with
C
Impressed on
D
Impressed by
At least 203 miners were killed,22________and 13________in a coal mine gas explosion in Fuxin.
#91314
A
injuring;trapping
B
injured;trapped
C
injured;trapping
D
injuring;trapped
With all the audience ________, the speech began. 
#91311
A
sat
B
seating
C
seated
D
having seated