?to the future perfect Had they been trying to open the door before you found the key? she will be tired because she will have been working for 7 hours. He is going to have closed the company by the end of this year. O

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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* Which of the following sentences refers
?to the future perfect
Had they been trying to open the door
before you found the key?
O
she will be tired because she will have
O
been working for 7 hours.
He is going to have closed the company
by the end of this year.
O
Transcribed Image Text:* Which of the following sentences refers ?to the future perfect Had they been trying to open the door before you found the key? O she will be tired because she will have O been working for 7 hours. He is going to have closed the company by the end of this year. O
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