If you were to configure an ISL Ethernet trunk between two Cisco switches， named R1 and R2， what would you have to include at the end of the link for the trunk to operate correctly？ （）
A: Where()you last week? B: I()in Alabama.A、were/wereB、was/isC、were/wasD、was/were
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I am sorry. Now what were we talking about? ()A. Never mind.B. I don't remember, either.C. You were saying that you used to be a teacher.
— How long _____ at this job? — Since 2000.A、were you employedB、have you been employedC、had you been employedD、will you be employed
______ that dress when I first saw you at the station?A、Were you wearingB、Have you wornC、Did you wearD、Do you wear
He asked if _____ surprised.A.you areB.you wereC.were youD. are you
Ida:_______Where was I?Homer: You were talking about your trip to South Africa.A、What did I hear?B、Let's check in.C、Let's back up.D、What were you talking about?
__________, I would take an umbrella with me.A、Had I been youB、I were youC、Were I youD、I had been you
