Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
In recent years, there have been many (indicate) that alien creatures have visited our planet. These are often (friend) visits, which involve (hostile) between aliens and humans. Proof of these hostile (confront) has been provided by witnesses who agreed to take lie-detecting tests. Their tests have shown (dispute) that the witnesses are telling the truth and are indeed giving (rely) information. In fact, their stories are (consistency) with the little amount of (evident) that scientists have collected over the years. Upon careful (examine), many reluctant (science) have had to admit that this issue requires their careful attention.