( ) 1.（2009·甘肃兰州）
There's _________800-metre-long road behind _________hospital.
A. an, an B. a, a C. an, the D. a, the
【答案】 C
( ) 2.（2009·广州）
After school we usually play basketball for half an hour on playground.
A. the; the B. 不填;不填 C. 不填; the D. the;不填
【答案】 C
