Question

Underline the appropriate time phrase and put the verbs into the correct tense​

Answer 1

Răspuns:

______

(1) after

(2) have shown

(3) since

(4) as soon as

(5) have become

(6) by

(7) until

(8) are introduced

(9) before

(10) is

(11) when

(12) met

(13) once

(14) are developed

Explicație:

______

New research offers proof that global warming is a direct consequence of man's activity on earth and not a result of some unidentified natural phenomenon. (1) After/As soon as) noting climate changes on a computer, researchers (2) have shown that the Earth's average temperature has risen by 0.7 degrees Celsius (3) before/since the Industrial  Revolution. (4) (While/As soon as) the results were published climate changes once again (5) have become headline news. Other research predicts that (6) (by/by the time) the end of the century average rainfall will be 30% higher than today as a result of a warmer climate. Air pollution is blamed for the sharp rise in the Earth's temperature and (7) (until/whenever) strict laws (8) are introduced, the problem will continue to get worse. Something needs to be done (9) (the moment/before) it (10) is too late. (11) (When/Whenever) E.U. countries (12) met last month, they agreed to cut down on pollution levels. (13) (Just as/Once) clean sources of power (14) are developed, we will have taken the first steps towards stopping global warming.

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