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单项选择题

Cancer is second only______heart disease as a cause of death.

A．of
B．to
C．with
D．from

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热门试题

单项选择题This room is in a terrible mess it______cleaned.

A．can" t have been
B．Shouldn" t have been
C．mustn" t have been
D．Wouldn" t have been

单项选择题______right now, she would get there on Sunday.

A．Would she leave
B．If she leaves
C．Were she to leave
D．If she had left