Japan's unemployment rate stood ( )at a near-record 5.4 percent in April.
为什么用unchanged而不用unchanging
be unchanged at sth
unchanging是用作定语的,不能接at
2.There ( )nowhere to hide ,the thief was caught by the students.
为什么用being 而不用is ,二者有什么区别呢
用being是独立主格结构.
There being nobody in the room,he searched somewhere else to find her.
为什么用being,而不用is呢?
如果用is,这就是两个简单句了,必须用句号.或者用连词for或者用连接副词because等,而这里是,只能用独立主格结构
3.（ ）to his reserch work ,the professor cared little about any other things.
A.Devoting B.Devoted
C.Habing devoted D.To devote 为什么选B不选A
这个问题和第1题一样.be Devoted to sth是忠于某事,如果用动名词Devoting则是Devoting sb to do sth,而不能用Devoting to sth