lalabee Senior | Next Rank: 100 Posts View User Profile Posts: 44 Joined: Mon Jan 28, 2008 11:44 am Thanked: 1 times gmat paper test question #19 (Set 42) by lalabee » Mon Feb 04, 2008 12:26 am Hello, hm .. i'm not sure why it uses "SHOULD" ... i thought "should" has the "obligation" meaning .. or it's some kind of idiom using here? Please kindly explain. Thanks in advance. Attachments Top Quote