Just because they make more money than I do, _________ they seem to look down on me.
________ the English speech competition will be a lot of work, so I need some volunteers to help out.
If water becomes increasingly scarce in decades ________, water shortage will become a hot issue all over the world.
Misunderstandings ________ from lack of social communication, unless ________ properly, may lead to serious problems.
________ enough money, Li Hua was unable to buy the new house.
Despite the government's measures to cool the house market, housing demand in China still grew steadily in the second half of 2012,________ a rapid rise in house prices.