Listen! Someone is ___ in the dark.
A. sing
B. singing
C. sings
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— Excuse me. Who ___ eating the bones?— The dogs.
A. are
B. is
C. must
Is your brother ___ a book or ___ TV?
A. reading/looking
B. reading/watching
C. looking/watching
My family ___ all at home this evening.
A. are
B. is
C. am
Look! There are some ___ on the table.
A. photoes
B. photos
C. meat