1. The children ________________(watch) TV since noon. Will you stop them?
2. They _________________(build) the road since 1978 and still __________________(not complete) it yet.
3. Joe __________________(read) the book for only an hour, but ________________(cover) over thirty pages.
4. We _________________(hope) to visit this place for many years, but still ___________________(not get) a chance to.
5. We __________________(look) for it for a whole day and still ________________(not find) it.