The reason________ she didn’t get the job was________ her English was not very good.

Little Tom tiptoed quietly to the bird, but ______ into the forest when he was about to catch it.

The Mekong River Commission has found no evidence______ the dams on the upper reaches have an influence on the water flowdownstream．

Do you have ______to say for yourself—No, I have ______to say.

Bruce, I am still not sure ________.— Why not No one is better than you in our class.