What _____________ this?  What _____________ they?

A. is, are
B. am, is
C. are. is
D. is, am

A
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科目:小學(xué)英語 來源:模擬題 題型:單選題

What _____________ this?  What _____________ they?

[     ]

A. is, are
B. am, is
C. are. is
D. is, am

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