Which of the following is NOT a valid word formed from the root 'ject'?

D. REJECTS

Which of the following words is formed by adding both a prefix and a suffix to the root 'act'?

C. INTERACTION

What is the correct word formed by adding a prefix to the root word 'possible'?

A. IMPOSSIBLE

Which of the following words is formed by adding a suffix to the root word 'act'?

A. ACTION

Which of the following words can be formed by rearranging the letters of 'LISTEN'?

A. SILENT