--How was your recent visit to Qingdao?---It was great,We visited some friends, and spend the __ days at the seaside.
They have not made any decision on ______ they are going to do to deal with the waste and control pollution.
Sometimes we are asked ______ we think the likely result of an action will be.
He was lucky enough to sell his car for exactly ______.
When the holidays were drawing near, I asked my American friends ___ was the best way to travel in the United States.
He told me the news ____ the Queen would visit China the next month.