If water becomes increasingly scarce in decades ________， water shortage will become a hot issue all over the world.
A．coming B．having come
C．to come D．to be coming
Misunderstandings ________ from lack of social communication, unless ________ properly, may lead to serious problems.
A．arisen; handling B．arising; handled
C．rising; handled D．risen; handling
________ enough money, Li Hua was unable to buy the new house.
A．Not saved B．Not having saved
C．Not to save D．Not saving
(2013·陕西西安三校二检)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.
A．resulted in B．to result in
C．resulting in D．being resulted in
(2013·长春市二模)Unfortunately, we rushed the fallen old man to hospital, ________ that we were responsible for him.
A．only telling B．only to tell
C．only told D．only to be told
．(2013·江西九江高三二模)________ around the university, we then were taken to a building, where many scientists worked.
A．Showing B．Having been shown
C．Being shown D．Having shown
