特殊黏膜是()
A.舌腹黏膜
B.舌背黏膜
C.软腭黏膜
D.牙龈
E.硬腭黏膜
参考答案:B
(2013·陕西高考)On Monday mornings it usually ________ me an hour to drive to work although the actual distance is only 20 miles.
A.takes
B.is taking
C.took
D.will take
红十字会与红新月会国际联合会的定义是。