# 4选择型By next month, he ____ in this company for 10 years.will workwill be workingwill have workedworks
# 6选择型By the time you wake up, I ____ to the airport.will have gonewill have wentam goingwill have going
# 7选择型By the end of this week, she ____ all her exams.will have completedcompletesis completingcomplete
# 11选择型By the end of this year, she ____ five books.will have publisheswill have publishingwill have publishedwill have publish
# 12选择型By tomorrow morning, they ____ their project.will have completedwill had completwill have completingwill have completes
# 13选择型By next weekend, we ____ all the preparations for the wedding.will have finishingwill have finisheswill have finishedwill have finish
# 14选择型By 2050, technology ____ even more advanced.will have becomewill have becamewill had becamewill have becom
# 15选择型By the time she turns 30, she ____ in five different countries.liveis livingliveswill have lived
# 16选择型By next Monday, the manager ____ a decision.will have madewill have makewill have madedwill have maked
# 17选择型By the time you read this letter, I ____ to another city.will have movingwill have movedwill have movewill have moves
# 18选择型By the time we get to the station, the train ____ .will have leavewill have leaveswill have leftwill have lefted
# 20选择型By the end of this decade, humans ____ on Mars.will have landedwill have landingwill have landeswill have land