—Is this room   _____  ?     —Yes, it’s theirs.
#70648
A
Lily and Lucy
B
Lily’s and Lucy’s
C
Lily’s and Lucy
D
Lily and Lucy’s
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E- mail is very popular today. People seldom write letters now, _________?
#69661
A
did they
B
do they
C
didn’t they
D
don’t they
I don’t know how ________ commas. 
#69179
A
use
B
using
C
used
D
to use
She’s never seen such a wonderful film, _______ she?
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A
is
B
isn’t
C
has
D
hasn’t
The boy ____won the first prize is called Roy.
#71202
A
when
B
whom
C
who
D
which