A：
B：
C：
D：
If something is _______, it is known about by only a few people.
Bruce is a black shirt.
____个梯形
To make a living，they are willing to ________ many of the disadvantages of city life such as crime，heavy traffic and pollution. （ ）
下列职务中对议会负责的是（ ）
①法国总统②美国总统③英国首相④德意志帝国宰相
中，
的面积等于 （ ）
