A.is writing | B.write | C.to write | D.writing |
A.to invent | B.to have been invented | C.to have invented | D.having been invented |
A.wondered | B.wonder | C.to wonder | D.wondering |
A.follow | B.followed | C.following | D.being followed. |
A.disappointing; disappointed | B.disappointed; disappointed |
C.disappointing; disappointing | D.disappointed; disappointing |
A.measuring | B.measured | C.to measure | D.measures |
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