Make a word using all the letters r, a, v, t, l, e.

Answer: A. Travel

Alert is incorrect because it only uses 5 letters (a, l, e, r, t). The question asks you to make a word using all 6 given letters: r, a, v, t, l, e. It leaves out the letter 'v'.

Answering after opening this box earns no Practice Points.