冲击配气机构
参考答案：
冲击配气机构是气动凿岩机实现活塞往复运动以冲击钎尾的机构。
—What about______ drinks? —______
A．any, All right.
B．any, That’s all right.
C．some, All right.
D．some, That’s all right.
Bill wasn’t happy about the delay of the report by Jason, and ________.
A．I was neither
B．neither was I
C．I was either
D．either was I
