单项选择题
The WTO cannot live up to its name（）it does not include a country that is home to one fifth of mankind.
A.as long as B.while C.if D.even though
单项选择题 The weather in Harbin is quite different from（）in Hainan.
单项选择题 The top of the Great Wall is（）for five horses to go side by side.
单项选择题 The taxi driver always reminds passengers to（）their belongings when they leave the car.
