1) (Scientists / find) _____________a solution to Aids by the end of 21st century? a) Will scientists have been finding b) Will scientists have found c) Will scientists had found 2) By the end of the year, he (become) ________a doctor. a) l will have been becoming b) l going to have become c) l will have become 3) John will be very tired tomorrow, he (work) ________for more than 20 hours. a) 'll have been working b) will have worked c) 'll have been worked d) will have been working 4) In October, I (marry) _______to Derek longer than I was to Doug. a) will have be married b) will have been married c) will have  married 5) I'm sure Peter (not give) ________up smoking by the end of the year. a) not have given b) will haven't been giving c) will not have given 6) Tomorrow it will be the fourth day that the sun (not rise) ______ a) won't have risen b) won't have been rising 7) The day we finish St. Jame's way we (walk) ________760 kms. a) will have been walking b) will have walked 8) We (have) _____________lunch by the time you arrive. a) will have haded b) will have been having c) will have had 9) At the end of the week we (enjoy) ________ each minute of our holidays. a) will have enjoyed b) will have been enjoying 10) Although he has been on diet, he (not lose) _______any weight at all. a) won't have lost b) won't have been losing c)

Future Perfect and Future Perfect Continuous

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