Rewritr the lollowing sentences in the present tense using the correct forms of the words in brackets.
1.This TV programme started an hour ago.(be on/for)
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2.The rainstorm stopped the day before yesterday.(be over/since)
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3.They joined the chess club a year ago.(be members of/for)
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4.I borrowed the book about American history last week.(keep/for)
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5.Peter bought the computer last year.(have/since)
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This TV programme has been on for an hour
2.The rainstorm has been over since the day before yesterday.
3.They have been members of the chess club for a year .
4.I have kept the book about American history for a week.
5.Peter has had the computer since last year.
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确定？