The undergraduate thesis is written in imitation of the master thesis. It's just that the time of data is different. Can you write it in your own language?
Generally speaking, undergraduate graduation thesis is not as high as graduation thesis, so it is no problem to write it in your own words. Can you pass? 1 is whether the repetition rate can meet the standard and needs to be checked. The second is the review of the tutor, which depends on the tutor's opinion. There have also been cases where the repetition rate of papers is very low, but they were rejected by tutors.