I expect to（）when tide rises.

1、When is it necessary to use a public I

When is it necessary to use a public IP address on a routing interface?（）A Connect a router on a local network.B Connect a router to anoth...

2、When a line is subject to wear where i

When a line is subject to wear where it passes through a mooring chock，it should be（）.Awormed，parceled，and servedBwrapped with heavy tapeCwrapped with chafing gearDwrapped in leather

3、I （） a letter to my friend when he cam

I （） a letter to my friend when he came in yesterday evening. 【write】　　昨晚他来的时候我正在给一个朋友写信。

4、Passage 5 When I decided to quit my fu

Passage 5 When I decided to quit my full time employment it never occurred to me that I might become a part of a new international trend. ...

5、--I knocked into a tree when l went to

--I knocked into a tree when l went to the railway station for my friend. 一I suppose you__________too fast.AdriveBare drivingCdroveDwere driving

6、20 When are the visitors expected to a

20 When are the visitors expected to ask questions?AA During the lunch hour．BB After the welcome speechCC Before the tour of the labs