只要击球点在本方，网前击球后随挥拍动作而球拍越过网子不为失分。
参考答案：对
His father got him a job in a bank but soon it became clear ______ he was not fit for that kind of work．
A．why
B．what
C．whether
D．that
We confirm ____ purchased 2,000 MP3 Players ____ you.
A. have, to
B. having, from
C. to have, from
D. have been to
