Li Ping’s father told him never to_____ the study of English.
A.give out
B.give up
C.give in
D.give back
以下哪种情况不能确诊网络的联通性()。
A.在WINDOWS下运行-ping目的IP
B.在WINDOWS下运行-tracert目的IP
C.在UNIX下-traceroute目的IP
D.在UNIX下-tracert目的IP
A.Do you mind
B.do you like
C.Do you prefer
D.Do you feel