2.We have found many problems with our new computer. A new personal computer has been bought by us. Many problems have been found with our new computer by us. 3. They have built a PC the way we wanted.

　　4. They have just joined our computer to the Internet.

　　5. We have used the computer every day since we bought it.

　　6. We have written a lot of e-mails on the computer in the past year. A PC has been built the way we wanted by them. Our computer has been joined to the Internet by them. The computer has been used every day since we bought it. A lot of e-mails have been written on the computer in the past year. (2004高考 江苏卷) More patients _________in hospital this year

　　than last year. treated

　　B. had treated

　　C. had been treated

　　D.have been treated 2. (2004 高考 北京卷)The mayor of Beijing says that all construction work for the Beijing Olympics __________ by 2006. has been completed

　　B. has completed

　　C. will have been completed

　　D. will have completed

　　D 高考链接 C 3. （2004高考 广西卷）----

　　The window is dirty. ----

　　I know. It ________ for weeks. hasn’t cleaned

　　B. didn’t clean

　　C. wasn’t cleaned

　　D. hasn’t been cleaned

　　4.(2004高考 湖北卷)--- George and Lucy got

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