______many people came to the meeting that there were not enough seats for everyone.
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There was no one to meet him at the airport______he had told no one when he was returning.
A. as long as
B. since
C. whether
D. unless
以下协议中支持可变长子网掩码和路由汇聚功能的是——。
A. VTP
B. OSPF
C. RIPvl
D. IGRP
I hope they______this road by the time we come back next summer.
A. will finish repairing
B. would finish repairing
C. will have finished repairing
D. have finished repairing
______you are happy, it doesn't matter what you do.
As
B. As long as
C. Unless
D. In case
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