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25 questions
Experts believe that more and more places (to affect) by climate change in the future
are being affected
are affected
will be affected
will have been affected
They are afraid that their neighbourhood (to pollute) by the next summer.
will be polluted
will have been polluted
would be polluted
have been polluted
The waste disposal (to remove) by the end of the year.
will be removed
would be removed
will have been removed
will remove
The room (to clean) by 5 o’clock yesterday.
was cleaned
had been cleaned
has been cleaned
was being cleaned
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