The bus crashed into a truck in front of it, ______ 40 deaths and more wounded. 
#4707
A
cause
B
causing
C
caused
D
to cause
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As she________the newspaper, Granny________asleep. 
#5002
A
read; was falling
B
was reading; fell
C
was reading; was falling
D
read; fell
Edward, you play so well. But I ______ you played the piano. 
#5038
A
didn’t know
B
hadn’t known
C
don’t know
D
haven’t known