Question 36: Mark the letter A, B, C or D to indicate the underlined part that needs correction in each of the following questions. Question 30. Raw chemical litter is being pumped into the sea, from where it pollutes our beaches.
Because we have ‘Raw chemical sewage’ which means ‘untreated sewage’
=> Untreated sewage is being discharged into the sea, from there it pollutes our beaches.
=> The answer is B ( litter → sewage )
Other structures to note:
Pump sth into sth: discharge something into something