问题
单项选择题
南京C网用户拨打天津C网用户，在C网信令网中采用（）次GT寻址。
A.2
B.3
C.4
D.5
答案
参考答案：C
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南京C网用户拨打天津C网用户，在C网信令网中采用（）次GT寻址。
A.2
B.3
C.4
D.5
参考答案：C
| 根据句意，用所给动词的正确形式填空。 |
| 1. He usually goes to school by bus, but today he ________(walk) to school. 2. ________ you ________(have) any eggs for breakfast yesterday? 3. There ________(be) some bread in the box yesterday. 4. Sam ________(be) here half an hour ago. 5. — Where ________ you ________(meet) the famous actor? — I met him in Beijing. |
=()。