Koalas eat_____ and______.
A:leaf;grass
B:leaves;grasses
C:leaves;grass
D:leaf;grasses
校合唱队共有35人,假设中有一项紧急演出任务,老师需要尽快通知每一个团员.通知一个人要用1分钟,最快要____ 分钟才能通知所有团员.
如图所示,已知∠1=∠2,要使∠3=∠4,只要( )
About 200,000 ____ (游客) came to Tai'er zhuang Ancient Town during May 1 holidays. It's difficult to believe.