赞题库-背景图
单项选择题

This kind of material was seldom used in building houses during the middle ages.

A．never
B．rarely
C．often
D．only
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热门试题

单项选择题She was grateful to him for being so good to her.

A．careful
B．hateful
C．beautiful
D．thankful

单项选择题The nursery is bright and cheerful.

A．pleasant
B．clean
C．peaceful
D．large