For each blank, write a, con, de or en depending on the question; if no preposition is required, answer with a hyphen (-). Put only one answer in each blank. Tab between answers. Use only lower case letters for your answers. If your answer is correct, you will be allowed to go on to the next question. If it is not, you will be given the correct answer. Click on the button at the bottom to see your score. If you mistakenly move to another page, use your browser to return to this page.