I. Fill in the blanks with the appropriate form of the words in parentheses (4pts).
1. In ..............countries, they are now ...............in saving money and natural resources. (WEST /INTEREST)
2. One per cent of the........energy that reaches the Earth is enough to provide.for the total population. (SUN/POWERFUL)
3. We should save energy because by............ energy we can............. the Earth's.resources. (SAVE/ CONSERVATION)
4. We can............ the amount of gas by traveling by bicycle or ..............transport. (REDUCTION / PUBLICITY)
1. In ..............countries, they are now ...............in saving money and natural resources. (WESTERN / INTERESTED)
2. One per cent of the........energy that reaches the Earth is enough to provide.for the total population. (SUN / POWER)
3. We should save energy because by............ energy we can............. the Earth's.resources. (SAVING/ CONSERVE)
4. We can............ the amount of gas by traveling by bicycle or ..............transport. (REDUCE / PUBLIC)