A.explored | B.is exploring | C.has been exploring | D.had explored |
A.played;unnoticed | B.had played;unnoticed |
C.played;unnoticing | D.had played;unnoticing |
A.had repaired | B.had repair | C.had it repaired | D.had it to repair |
A.will build | B.will be built | C.would build | D.would be built |
A.must put off | B.must have been put off |
C.has to put off | D.has to be put off |
A.had been living | B.is living |
C.will have been living | D.has been living |
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