Try using spark notes. Brainliest?
Answer:
<em>1) was working</em>
<em>2) is preparing</em>
<em>3) reads</em>
<em>4) completed</em>
<em>5) was doing</em>
<em>6) attended</em>
<em>7) had already finished</em>
<em>8) is completing</em>
<em>9) applying </em>
<em>10) is studying</em>
<em></em>
Well, when answering a question which requires a short answer you want to keep it simple but have everything important to answer it altogether. Let's say this was to be a short answer 1-2 sentences should be enough as long as it contains everything needed, like it does.
The word perennial mean lasting a long time