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.

I remember_______ this used to be a quiet village.

He made a promise_______ he would help me.

The problem is_______ he has enough time.

_______ the sports meet will be held depends on the weather.

I．单项选择
Go and get your coat. It's _______ you left it.