Engineers also replaced the screen on the roof of the stadium with a modern one, using up-to-date materials. They also increased its ___ to 11 metres so as to protect the visitors. length lengthen long lengthened
Задание

Choose the correct word.

Engineers also replaced the screen on the roof of the stadium with a modern one, using up-to-date materials. They also increased its ___ to 11 metres so as to protect the visitors.

  • length
  • lengthen
  • long
  • lengthened