A.runs | B.is running | C.will run | D.has run |
A.taught | B.have been teaching | C.had taught | D.have taught |
A.has repaired | B.is repaired | C.is being repaired | D.will be repaired |
A.have walked | B.had walked | C.walked | D.have been walking |
A.for him to understand | B.understood | C.to understand | D.to be understood |
A.will graduate | B.will have graduated |
C.graduates | D.is to graduate |
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