It takes me two hours ______ my homework every day.

What was she doing when you came in?— She was________the view from the window. [ ]

You’d better not ________ the radio, or you’ll not be able to put it back together again. [ ]

It’s great that all the visitors who _______ onthe island were saved

Now methods need to beto use the existing water resources, for example, turning sea water into fresh water.