A.are wanted | B.are being wanted | C.want | D.are wanting |
A.was staying | B.stay | C.stayed | D.am staying |
A.have found, from polluting |
B.have found, from being polluted |
C.have been found, from being polluted |
D.has been found, from being polluted |
A.work | B.have been working | C.worked | D.had been working |
A.are being trained | B.are training | C.will train | D.will be trained |
A.have bought | B.bought | C.had bought | D.would buy |
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