state gov DSSSB Warder, Assistant Superintendent, Matron Mock Test 2024 English Vocabulary Synonyms or Antonyms
Environmental engineers may unexpectedly collaborate with experts in science, law or busines to address concerns such as acid rain, hazardous wastes, or mineral depletion.
To make the sentence more accurate, the underlined word should be replaced by:
1
possibly.
2
necessarily.
3
at all times.
4
compulsorily.