(2013·江西重点中学二模)This picture was taken twenty years ago. I wonder if you can ________ my younger brother.

(2013·陕西宝鸡模拟)After Queen Elizabeth officially opened the 2012 Summer Olympics, London became the first city ________ three Olympic Games in history.

In order to reduce   air pollution, many people want  a total _____on the playing of firecrackers (鞭炮)in many cities during the Spring Festival.

Tony can hardly boil an egg, still ________ cook dinner. 

 Small cars are ___ of fuel, so they have more appeal for consumers.