Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase that best fit each of numbered blanks from 14 to 21.

Planting trees
By Mark Rotheram, aged 13
This spring, our teacher suggested we should get involved in a green project and plant some trees ___(1)___ the school. Everyone thought it was a great idea, but we found that choosing trees was quite ___(2)___. If we want them to grow properly, they had to be the right type. Our teacher suggested that we should ___(3)___ trees that grew naturally in our part of the world. That way, they would be used to local conditions.
Then we had to think about the best place for planting the trees. We learnt that trees are happiest where that have room to grow, with ___(4)___ space for their branches. We tried to avoid trees ___(5)___ students were very active. Finally, we found da quiet corner close to the school garden – perfect!
Once we’d planted trees, we knew we had to look after them carefully. We all are ___(6)___ turns to check the leaves regularly. In case they turned yellow too soon, that could mean the tree was ___(7)___.
We all knew that we wouldn’t be at the school any more by the time the trees grew tall, and that was a bit sad. ___(8)___, we’d planted them to benefit not only the environment, but also future students. We knew they’d get as much pleasure from them as we had. And that thought really cheered us up!