you study,       grades you will get    .

Sometimes I feel ________ between meals, so I eat something.

It’s really         the Greens devote all their money to helping the poor . 

  ---It’s 12 April today. Have they            found any useful information about the plane's black box?---Flight MH370? Yes, but it’s difficult to decide where the black box really is.

There are going to be __ __ winds tomorrow.