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【单选题】
When an MPLS Layer 2 VPN runs in the hub-and-spoke model， where is QoS implemented？（）A.
hub and spoke
B.
PE
C.
CE
D.
hub
E.
spoke
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【单选题】I ______ my aunt in Australia this winter vacation. I want to have an exciting vacation. [ ]
A.
visit
B.
am going to visit
C.
visited
【简答题】根据句子的意思，补全单词。 1. I want to have an _____ house for my big family. 2. The boy always plays the _____ to get attention. 3. The manager fired an old _____ yesterday. 4. She went to the _____ to sell what...
【单选题】I ______ my aunt in Australia this winter vacation. I want to have an exciting vacation. [ ]
A.
visit
B.
visited
C.
am visiting
D.
visits
【单选题】I want to have an _____ with your manager.
A.
meeting
B.
appointment
C.
game
D.
lunch
【简答题】I want you to have an X-ray taken.
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