----Can you see________ birds ?----No, I can't
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----Excuse me, can you put the vase on that shelf for me,please?---- Of course,__________.
A. he can
B. I can
C. he can't
----What are Mike and his sister doing?----They____the dishes.
A. are washing
B. washing
C. can wash
--- What can you and your mother do?--- ______can make cakes.
A. I
B. She
C. They
----Can the dog eat that bone?----Yes,_____.
A. it can
B. it can't
C. they can