Question

27. Is Catherine sister? A) he B) you C) your D) yours 28. We students A) are a B) is C) are D) am from​

Answer 1

27. C)
28. A)
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Answer 2

27. The question "Is Catherine sister?" is grammatically incorrect. It should be "Is Catherine a sister?" or "Is Catherine your sister?" The correct answer would be C) your.

28. The sentence "We students" is incomplete. It should be "We students are" to form a complete sentence. The correct answer would be C) are.