赞题库-背景图
单项选择题

A．It made a lot of noise.
B．It caused fires frequently.
C．The fire from the furnaces polluted the air.
D．The city authorities didn’t want to develop the glassmaking industry.
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热门试题

单项选择题A．On the walls of caves.B．On a heavy clay tablet.C．On woods.D．On cloth.

A．On the walls of caves.
B．On a heavy clay tablet.
C．On woods.
D．On cloth.

单项选择题A．He has stayed on campus.B．He has been in an academic conference.C．He has been ill in hospital.D．He has been on vocation.

A．He has stayed on campus.
B．He has been in an academic conference.
C．He has been ill in hospital.
D．He has been on vocation.