It will take Tom three hours to finish the homework.
It will take the writer a month to finish an article.
It will take him 30 minutes to get to school.
It will take Jane half an hour to sweep the floor.(以上为将来时）
It takes me two days to read the book.
It takes Charlotte a week to find a job.
It takes Tim three days to finish the homework.(以上为一般现在时）
It took me a day to clean my room.
It took them two years to build the building.
It took him five days to get to Beijing.(以上为一般过去时）
希望采纳我的答案.