I think it is a great question to have some context/examples. My guess is that GMAC was testing “not only....but also” idiom in which case “and also” would be wrong.
This is also a good question to bring up on the Wednesday verbal chats with gmat ninja.
Posted from my mobile device
This is also a good question to bring up on the Wednesday verbal chats with gmat ninja.
Posted from my mobile device
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