What ________ if there ______ no water or air on the earth?

What ________ he say to you just now? —He told me that he ________ his key in the room.

Bob! Is this your dictionary?—No, it isn’t. Ask Sally. She is looking for_______.

We don’t like people _ talk too much but never do anything.

Last year, we ______ an English play Pocahontas on the stage and we all enjoyed ourselves a lot.