The classroom is very big. Fifty desks and chairs are in ______.
A. classroom
B. a classroom
C. classrooms
D. the classroom
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---Who's the woman over there? ---She is _____ mother.
A. Bill
Bill is
C. Bills
D. Bill's
Tom: Mum, this is my friend, Fred. Mum: _____ Fred: How do you do?
A. Good afternoon.
B. Glad to meet you
C. How do you do?
D. How are you?
These are _____ chairs.
A. students
B. students'
C. the student's
D. student's
---Is this your father's tie? ---No, it's not. ______ tie is orange.
A. He
B. His
C. She
D. Her
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