单项选择题

A．The floor is slick.
B．The staircase is steep.
C．The passage is narrow.
D．The tread is unsteady.
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单项选择题
A．She was homeschooled.B．She learned from books at home.C．She studied with the help of the Internet.D．She learned from teachers at school.
A．She was homeschooled.
B．She learned from books at home.
C．She studied with the help of the Internet.
D．She learned from teachers at school.
单项选择题
A．She wanted to have a filling replaced.B．She needed to have a tooth pulled.C．She came in for a dental check up.D．She came for a free dental cleaning.
A．She wanted to have a filling replaced.
B．She needed to have a tooth pulled.
C．She came in for a dental check up.
D．She came for a free dental cleaning.
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