The answer is A. tree. The plural form of tree is trees.
Hope this helps.
1. Jack have you ever gone to London?
2. Ben have you ever played the guitar?
3. Have your parents ever lived abroad?
4. Have you ever traveled on your own?
5. Has Nicola ever had a pet?
<span>a </span>sonnet<span> consists of three quatrains and a couplet with a rhyme scheme of abab cdcd efef gg. They are also known as Shakespearean </span>sonnets<span>.</span>
Canopy is the upper layer of trees (so basically the tops of trees)