单项选择题

It was unusual for there ______ so few students in the classroom.

A．to be
B．be
C．being
D．are
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单项选择题
Henry felt so hungry that he ordered a double ______ of fish.
A．piece
B．part
C．portion
D．section
单项选择题
A．accountableB．accountingC．accountantD．accountability
A．accountable
B．accounting
C．accountant
D．accountability
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