出口处理工作的七个程序是（）。
A.袋牌与机要件发运方向
B.是否一袋一号
C.选袋是否合适
D.件数与发运方向
参考答案：A
—I have difficulty __________ the article.
—Remember __________ it three times at least.
A．to understanding, reading
B．understanding, reading
C．understanding, to read
D．to understand, to read
I'm afraid she's _____ to take a long holiday this year.[ ]
A. too busy
B. enough busy
C. busy too
D. busy enough
