បញ្ហា 1ជ្រើសរើសBy this time next year, she ____ her first novel.will writewill have writtenwriteshas written
បញ្ហា 4ជ្រើសរើសBy next month, he ____ in this company for 10 years.will workwill be workingwill have workedworks
បញ្ហា 5ជ្រើសរើសBy 2026, scientists ____ a cure for that disease.will findwill have foundare findingfinds
បញ្ហា 6ជ្រើសរើសBy the time you wake up, I ____ to the airport.will have gonewill have wentam goingwill have going
បញ្ហា 7ជ្រើសរើសBy the end of this week, she ____ all her exams.will have completedcompletesis completingcomplete
បញ្ហា 8ជ្រើសរើសBy next summer, we ____ our dream house.will have builtsbuildswill have builthave built
បញ្ហា 9ជ្រើសរើសBy the time they arrive, we ____ for three hours.waitwill have waithave waitedwill have waited
បញ្ហា 10ជ្រើសរើសBy 10 p.m., he ____ his homework.will have donewill have dowill have didwill have don
បញ្ហា 11ជ្រើសរើសBy the end of this year, she ____ five books.will have publisheswill have publishingwill have publishedwill have publish
បញ្ហា 12ជ្រើសរើសBy tomorrow morning, they ____ their project.will have completedwill had completwill have completingwill have completes
បញ្ហា 13ជ្រើសរើសBy next weekend, we ____ all the preparations for the wedding.will have finishingwill have finisheswill have finishedwill have finish
បញ្ហា 14ជ្រើសរើសBy 2050, technology ____ even more advanced.will have becomewill have becamewill had becamewill have becom
បញ្ហា 15ជ្រើសរើសBy the time she turns 30, she ____ in five different countries.liveis livingliveswill have lived
បញ្ហា 16ជ្រើសរើសBy next Monday, the manager ____ a decision.will have madewill have makewill have madedwill have maked
បញ្ហា 17ជ្រើសរើសBy the time you read this letter, I ____ to another city.will have movingwill have movedwill have movewill have moves
បញ្ហា 18ជ្រើសរើសBy the time we get to the station, the train ____ .will have leavewill have leaveswill have leftwill have lefted
បញ្ហា 20ជ្រើសរើសBy the end of this decade, humans ____ on Mars.will have landedwill have landingwill have landeswill have land