精选优质文档-倾情为你奉上2013年上海各区县二模语法综合练1、 冠词1. Barak Obama, first African-American president of the USA, was always laughed at by others when he was a kid. A) aB) anC) theD) /2. Lisa is _exchange student from Britain, but she knows a lot about China. A) a B) an C) the D) /3. The boy dreamed of playing _basketball in the NBA when he was in high school. A. a B. an C. the D. /4. This is _ useful book and I want to buy it