Complete the online article with the words in the box

01 Đề bài:

2. Complete the online article with the words in the box.

(Hoàn thành bài viết trực tuyến với các từ trong hộp)

didn't     to     use     used     used

In the 1920s, dance marathons used to be popular in the USA. People (1) ____________ to compete for prizes in competitions which lasted for weeks. People (2) ____________ use to dance perfectly all the time, but they always moved their feet. And they didn’t (3) _____________ to dance twenty-four hours a day. They rested for fifteen minutes every hour. The competitors used (4) ___________ eat twelve times a day for energy.

02 Bài giải: