bare，blank，empty，hollow，margin，vacant 都含有一定的"空白"之意
bare a.光秃秃的,无遮蔽的,通常指局部的裸
blank a.空白的，指表面无字迹，没有写字、印刷、或做记号的空白处
empty a. (房间等)空的，没有物的，指描绘之物的内部本应有的东西这时却没有，或者可容人或物的地方或容器这时未容纳(房间里无家里设备或没有人)
hollow a.空的，空心的，空虚的，指所描绘之物的中心是空的，也可指空虚的
margin n.页边空白，多指纸张的页边，边缘的空白
vacant a.空的，(房间等)未被占用的，空着的，指暂时没有人居住或占据而空闲着的

Exercises:选择最恰当答案&翻译每句句子!
1.Although they plant trees in this area every year，the tops of some hills are still ____.
A.blank B.vacant C.hollow D.bare
2.There is a ____ space at the bottom of the form for you to sign your name in.
A.empty B.vacant C.blank D.hollow
3.Space scientists believe that the black hole is ____,and would draw everything,even light,toward its center.
A.empty B.hollow C.vacant D.blank
4.Since everyone would like to find an apartment near the university,there are very few ____ apartments in the area.
A.vacant B.free C.empty D.reserved
5.I believe that the best way to take notes is in the ____ of the book instead of on the notebook.
A.borders B.boundaries C.edges D.margin

参考答案及具体分析: