Раскрыв скобки, употребите глагол в форме простого, продолженного или совершенного...

Question

Раскрыв скобки, употребите глагол в форме простого, продолженного или совершенного настоящего времени либо простого прошедшего времени страдательного или действи­тельного залога.

1. The data (to process) by the computer at the moment.
2. In the 1970s prices for oil (to grow) very fast.
3. Prices for all goods (to rise) twice in the USA since the
1950s.
4. Climate (to become) warmer in recent decades and conditions for agriculture and industry (to change).
5. Trade (to develop) successfully between these countries in recent years.
6. After World War II, the United States, Canada and the Soviet Union (to lead) in wheat production.
7. A sharp rise of efficiency (to achieve) when people (to invent) electrical machinery.
8. Energy scarcity (to limit) further development of many industries now.
9. Better equipment (to require) in order to increase efficiency.
10. Water resources (to get) more and more scarce in the world now.
11. Incomes of population (to grow) at present.
12. Scientists (to study) changes in natural conditions and (to make) models of further development of our planet.

Answer 1

1) is being processed 
2) grew 
3) have been rising. 
4) became / changed 
5)  has been developing
6) led
7) was achieved / invented
8)  is limiting
9) is required 
10) are getting 
11) are growing 
12) study / make