I enjoy reading very much. When I read books, I feelthat time goes .

There is a backpack _________ on the floor.

Look, _______ is dancing under the big tree.—Oh, that’s my cousin, Cindy.

She’s already back to Nantong, ______ —______. She is on a visit to Tokyo.

―Do you know where David is? I couldn’t find him anywhere.―Well. He ______ have gone far — his coat’s still here.