A.of becoming; was come true | B.of becoming; came true |
C.to become; came true | D.to become; was come true |
A.takes place | B.breaks out | C.comes about | D.Happens |
A.are studying | B.have studied | C.studies | D.study |
A.was go | B.was going | C.and went | D.go |
A.have found out, from polluting |
B.have found, from being polluted |
C.have been found out, from being polluted |
D.have been found, from being polluted |
A.you will have to | B.one must |
C.they will have to | D.he has to |
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