He grew up in a w      ____    _ family, so he knows nothing about the life of the poor.
We’re c       ____    _ about the result of your operation. We have been waiting for 10 hours.
In China, young children are usually taught to r      __  __ _ the old. 
Now that medical technology has a      ____ _ to its present state, more people are aware of how long one can be kept alive.
He stood up and a     ___  _ _ that he was ready to go.
Beijing is making          ____ _ (准备)for the 2008 Olympics. 
The shop       __   __     _(对面的)the post office is a bank.
With the development of technology, new digital products are   ____   _ (取代)old machines.
China has been stressing the      ____    _(重要性) of its ties with the third world countries.
The      ___  _ _ (委员会) sit together to discuss the water pollution.