--Excuse me ,could you tell me where the post office is ?---Ok.Between the two white buildings ___ the post office.
The young man ____ drugs was sent to hospital yesterday.
The time is not far away ________modern communications will become widespread in China’s vast countryside.
____ about wild plants that they decided to make a trip to the mountain.
----What have you been ____ these days? ----Preparing for my daughter’s wedding party.
At a rough estimate, Nigeria is ____ Great Britain.