A.interviewed | B.had interviewed | C.was interviewed | D.have been interviewed |
A.explored | B.is exploring | C.has been exploring | D.has explored |
A.did; spoke | B.have; were speaking |
C.had; were speaking | D.had; spoke |
A.had spoken | B.have spoken | C.spoke | D.speak |
A.studied | B.study | C.was studying | D.had studied |
A.did you go; had arrived | B.are you; was | C.were you; would come | D.have you been ; would have been |
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