ZXMSG 9000设备位于网络的（）层级.

A.业务层

B.核心（传输）层

C.接入层

D.应用层

E.控制层

用所给动词的适当形式填空。

小题1:I look forward to     (enter)the film industry one day in the future.

小题2:    you ever    (consider)buying a new MP5 player.

小题3:He often enjoys      (breathe)fresh air deeply wish his eyes closed by the river.

小题4:She     (reply)to some e-mails before she went to bed.

小题5:It took 20 minutes        (present)the students with the Awardsof excellent studying