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The mother didn’t know _____to blame for the broken glass as it happened while she was out.
#64777
A
who
B
which
C
they
D
that
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Mrs. Black doesn’t believe that her son is able to design a digital camera, ______?
#64799
A
is he
B
isn’t he
C
doesn’t she
D
does she
—Alice, you feed the bird today；______ ？  —But I fed it yesterday.            
#65414
A
do you
B
will you
C
didn’t you
D
don’t you
— Have you heard the latest news? —No, what______?
#64966
A
is it
B
is there
C
are they
D
are those
I think they failed to accomplish the task, ______?
#65406
A
do I
B
don't I
C
did they
D
didn't they
--- What’s this ?   ---         .
#60138
A
This is a ruler.
B
r-u-l-e-r
C
Its a ruler
D
It’s a ruler.