. She works in her spare time babysitting children in the neighborhood____ herself a computer.

A．to buy

B．buying

C．buy

D．bought.

鼓室黏膜的急性化脓性炎症（）。

A.分泌性中耳炎

B.化脓性中耳炎

C.分泌性内耳炎

D.分泌性外耳炎

E.化脓性内耳炎