问题
选择题
Lingling_ _like sandwiches.[ ]
A. did
B. does
C. doesn't
答案
答案：C
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Lingling_ _like sandwiches.[ ]
A. did
B. does
C. doesn't
答案：C
填写路由器RG的路由表项。
| 目的网络/掩码长度 | 输出端口 |
| ______ | S0(直接连接) |
| ______ | S1(直接连接) |
| ______ | S0 |
| ______ | S1 |
| ______ | S0 |
| ______ | S1 |