赞题库-背景图
单项选择题

John is collaborating with Mary in writing an article.

A．cooperating
B．competing
C．combining
D．arguing
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热门试题

单项选择题Henry cannot resist the lureof drugs.

A．abuse
B．flavor
C．temptation
D．consumption

单项选择题These programs are of immensevalue to old people.

A．natural
B．fatal
C．tiny
D．enormous