leanhdung wrote:
sayantanc2k wrote:
arbar88 wrote:
In option D, the list needs a "," and. Am I right?
In a list of 3 or more items, comma before "and" is optional - however in general, GMAT sentences include thiscomma.
Hi @sayantanc2! Please clarify my doubt, many thanks for you!
B. Among the important themes that characterize Chinese history are the patterns of dynastic rise and fall, and ntermittent aggression from northern aliens, together with varying degrees of openness to outside cultural influences
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