The lecture, ______ at 7:00 pm last night, was followed by an observation of the moon with telescopes.
A.starting |
B.being starting |
C.to start |
D.to be started |
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The lecture, ______ at 7:00 pm last night, was followed by an observation of the moon with telescopes.
A.starting |
B.being starting |
C.to start |
D.to be started |