电力趸售企业的经营管理费用由( )电网销售电价与趸售电价之间的价差补偿。

A．县
B．县及县以上
C．省
D．省及省以上

用括号里所给词的适当形式填空。

      Yesterday morning, I ____________ (get) up early. Because I ____________ (want) to ____________

(go) to fly a kite in the park. But it ____________ (is) raining. So I stayed at home and ____________ (do)

my homework. Today it is sunny. I ____________ (walk) to the park. I fly my kite in the sun. I ____________

(jump) and ____________ (laugh). I have fun today.