．Good job! Not a single mistake ______ in your homework.

You’ve failed to do what you _____ to and I’m afraid the teacher will blame you

I want to write __________ article about the great inventors in the world. Can you help me –Sorry, I don’t know much about __________ topic.

The biggest whale is _______ blue whale, which growsto be about 29 meters long—the height of______ 9-story building.

His speech was so ___________ that it makes me feel __________.