五.语法填空 (20分)We ofter think of future. We often wonder 1 the world will be like a hundred y

五.语法填空 (20分)
We ofter think of future. We often wonder     1     the world will be like a hundred years’ time.
Think of    2    space. Perhaps a permanent station on the moon    3      （set up）. Perhapes people will be able to visit the moon as    4       . Cheap rockets for space travel will have been developed,     5     （permit） long journeys through the solar system. When that time es, people will be taking holidays in space and visiting    6       planets. Great propress will have been made     7    medicine, too. Pollution will have been controlled in a hundred years’ time.
8     the world will have been developed—even Antarctica. We will have used up most of the earth’s land to build our cities,      9     floating cities will have been built. The Japanese have already plans of this kind. And there will be cities   10         the sea.1. what     2. /      3. will have been set up    4. tourists/ visitors/ travelers