交费卡目前可以对（）业务和（）业务进行交费充值。
参考答案：固定电话；超级一号通业务
—Where's Li Hua?
—Look! He _______ tennis on the playground. [ ]
A. plays
B. played
C. was playing
D. is playing
______ some teenagers don’t realize is _______ difficult life can be after they get addicted to drugs．
A．What, how
B．That, how
C．What, what a
D．That, what
