We’re going to visit so many ______ places and do lots of _______ things .

The work was difficult, but Tom’s ____expression showed that he would finish it in time.

My cousins have collected stamps for two years. They have ______ stamps from different countries.

“Changes should be made in the prison for the conditions there are _____,” said the reporter．

The six­year­old girl infected with the H7N9 bird flu is in a ________ condition after receiving treatment.