My shoes are under the bed, but ________ under the sofa.
A:Mary is
B:Mary's is
C:Mary are
D:Mary's are
—It is _______ unhealthy lifestyle. You must ask him to change it.
科学家发现一类蜣螂,不仅取食粪便,还取食包括蜈蚣在内的千足虫。与普通蜣螂相比其部分结构也发生变化,头部较窄而长,便于进食千足虫内脏;后腿较蜷曲,便于捕猎千足虫。下列有关说法错误的是
《咏华山》是宋朝宰相____七岁时作的,他是这样歌咏的:只有天在上,更无山与齐。 举头红日近,____。