Prefixes - Word formation

The information in the article was completely ...., so the editor had to make corrections. (accurate)

His excuse for being late was totally .....—no one thought aliens had abducted him! (believable)

The rules of the game have .....for decades, making it easy for new players to learn. (change)

Her argument was weak and totally ......, so no one agreed with her. (convince)

The old castle was partially ..... during the excavation, revealing hidden chambers. (cover)

The lost treasure remained ...... for centuries until archaeologists found it. (discover)

The new law was considered ......by many citizens because it increased taxes. (favour)

This article is very ....—it doesn’t give any useful details. (inform)

The city’s transport system has remained ..., making commuting difficult. (modern)

His contributions to the project were ..., so he didn’t get much recognition. (signify)